Focal sentence example

focal
  • The instrument has a focal length of 54 ft.
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  • But the eye is tolerant of small changes in the focal adjustment which sensibly affect the scale-value.
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  • They are placed at a distance apart less than the focal length of a, so that the wires of the micrometer, which must be distinctly seen, are beyond b.
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  • An important property is: the difference of the focal distances of any point on the curve equals the transverse axis.
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  • A rotation of this amount should therefore be easily visible, but the limits of resolving power are being approached; and the conclusion is independent of the focal length of the mirror, and of the employment of a telescope, provided of course that the reflected image is seen in focus, and that the full width of the mirror is utilized.
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  • The tangent at any point bisects the angle between the focal distances of the point, and the normal is equally inclined to the focal distances.
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  • A volume entitled Opera posthuma (Leiden, 1703) contained his "Dioptrica," in which the ratio between the respective focal lengths of object-glass and eye-glass is given as the measure of magnifying power, together with the shorter essays De vitris figurandis, De corona et parheliis, &c. An early tract De ratiociniis tin ludo aleae, printed in 16J7 with Schooten's Exercitationes mathematicae, is notable as one of the first formal treatises on the theory of probabilities; nor should his investigations of the properties of the cissoid, logarithmic and catenary curves be left unnoticed.
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  • The eyepiece ab consists of two plano-convex lenses a, b, of nearly the same focal length, and with the two convex sides facing each other.
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  • These changes may and do arise from the following causes: (i.) The focal length of the object-glass and the length of the tube are affected by temperature.
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  • Two tangents from any point are equally inclined to the focal distance of the point.
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  • focal length was erected, and is still the principal instrument of its class at the observatory.
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  • The harsher measures which about that time began to be adopted towards his co-religionists in France are usually assigned as the motive of this step. He now devoted himself during six years to the production of lenses of enormous focal distance, which, mounted on high poles, and connected with the eye-piece by means of a cord, formed what were called "aerial telescopes."
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  • focal length, are in the possession of the Royal Society.
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  • What is seen through the eye-piece in any case is the same as would be depicted upon a screen in the focal plane.
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  • When parallel rays fall directly upon a spherical mirror the longitudinal aberration is only about one-eighth as great as for the most favourably shaped single lens of equal focal length and aperture.
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  • The amount of separation is very small, and depends on the thickness of the glass, the index of refraction and the focal length of the telescope.
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  • (ii.) The focal length is sensibly different for objects of different colour.
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  • The most important are: (I) To express the time of describing an elliptic arc under the Newtonian law of gravitation in terms of the focal distances of the initial and final points, and the length of the chord joining them.
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  • If the aperture be increased, not only is the total brightness over the focal plane increased with it, but there is also a concentration of the diffraction pattern.
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  • At the focal point (E =o, n = o) all the secondary waves agree in phase, and the intensity is easily expressed, whatever be the form of the aperture.
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  • So long as there is no sensible discrepancy of phase there can be no sensible diminution of brightness as compared with that to be found at the focal point itself.
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  • Analytically expressed ff+ co x I 2 d dn=ff dxdy= A (9) We have seen that Io (the intensity at the focal point) was equal to A 2 /X 2 f2.
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  • In the case of the circular aperture the distribution of light is of course symmetrical with respect to the focal point p=o, q=o; and C is a function of p and q only through 11 (p 2 -}-q 2).
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  • Thus, if x = R cos 4), C =,r2R2J1(pR) pR and the illumination at distance r from the focal point is 4T2 r 21rRr1 fX (2 fKr) a J The ascending series for J 1 (z), used by Sir G.
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  • In these expressions we are to replace p by ks/f, or rather, since the diffraction pattern is symmetrical, by kr/f, where r is the distance of any point in the focal plane from the centre of the system.
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  • Foucault, who employed a scale of equal bright and dark alternate parts; it was found to be proportional to the aperture and independent of the focal length.
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  • Thus in estimating the intensity at a focal point, where, in the absence of aberration, all the secondary waves would have exactly the same phase, we see that an aberration nowhere exceeding 4X can have but little effect.
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  • Calculation shows that, if the aperture be s in., an achromatic lens has no sensible advantage if the focal length be greater than about II in.
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  • If we suppose the focal length to be 66 ft., a single lens is practically perfect up to an aperture of 1 .
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  • Curvature of the primary focal line having a very injurious effect upon definition, it may be inferred from the excellent performance of these gratings that y is in fact small.
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  • E is then the co-ordinate relatively to 0 of any focal point 0' for which the retardation is R; and the required result is obtained by simply integrating (5) with respect to from - cc to +oo.
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  • Until recently these spherical lenses were numbered in terms of their focal length, the inch being used as the unit.
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  • Owing principally to differences in the length of the inch in various countries this method had great inconveniences, and now the unit is the refractive power of a lens whose focal length is one metre.
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  • A lens of twice its strength has a refractive power of 2 D, and a focal length of half a metre, and so on.
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  • The width of each of the portions aghc and acfe cut away from the lens was made slightly greater than the focal length of lens X tangent of sun's greatest diameter.
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  • focal length, composed of a double concave flint lens and a double convex crown.
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  • The former measures the thickness of the primary focal line, and the latter measures its curvature.
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  • Here, in order to fulfil the purposes of the previous models, the distance of the centres of the lenses from each other should only slightly exceed the tangent of sun's diameter X focal length of lenses.
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  • He found its focal length and hence the refractive index of the gas, C. Hajech (Ann.
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  • Properties of the limagon may be deduced from its mechanical construction; thus the length of a focal chord is constant and the normals at the extremities of a focal chord intersect on a fixed circle.
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  • By the principle of energy the illumination over the entire focal plane must be equal to that over the diffracting area; and thus, in accordance with the suppositions by which (3) was obtained, its value when integrated from E= co to = -1-x, and from n = - oo to n = -1-oo should be equal to ab.
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  • u 2 u It will be observed that, while the total intensity is proportional to ab, the intensity at the focal point is proportional to a 2 b 2.
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  • The function of a lens in forming an image is to compensate by its variable thickness the differences of phase which would otherwise exist between secondary waves arriving at the focal point from various parts of the aperture.
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  • Throughout the operation of increasing the focal length, the resolving power of the instrument, which depends only upon the aperture, remains unchanged; and we thus arrive at the rather startling conclusion that a telescope of any degree of resolving power might be constructed without an object-glass, if only there were no limit to the admissible focal length.
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  • The distance f i, which the actual focal length must exceed, is given by d (f1 2 R2) x; so that f1 = 2 R2/X (1) Thus, if X = p j, R= i ?, we find f1= 800 inches.
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  • As the minimum focal length increases with the square of the aperture, a quite impracticable distance would be required to rival the resolving power of a modern telescope.
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  • On the other hand it is not necessary to reset the telescope after each reversal of the segments.4 When Bessel ordered the Konigsberg heliometer, he was anxious to have the segments made to move in cylindrical slides, of which the radius should be equal to the focal length of the object-glass.
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  • Struve also points out that by attaching a fine scale to the focusing slide of the eye-piece, and knowing the coefficient of expansion of the metal tube, the means would be provided for determining the absolute change of the focal length of the object-glass at any time by the simple process of focusing on a double star.
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  • means of measuring the focal point were provided; symmetrical motion was given to the slides; scales on each slide were provided instead of screws for measuring the separation of the segments, and both scales were read by the same micrometer microscope; a metallic thermometer was added to determine the temperature of the scales.
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  • focal length) from the Repsolds, and the design for their construction was superintended by Struve, Auwers FIG.
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  • " the introduction of a diaphragm having two circular apertures touching each other in a point coinciding with the line of collimation of the telescope, and the diameter of each aperture exactly equal to the semidiameter of the cone of rays at the distance of the diaphragm from the focal point of the object-glass."
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  • focal length on Mount Wilson was at the end of 1908 contemplated for an early date.
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  • The limitation of power is introduced as in all optical instruments, by the finiteness of the length of a wave of light which causes the image of an indefinitely narrow slit to spread out over a finite width in the focal plane of the observing telescope.
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  • The general results may be summarized as follows: if the width of the slit is equal to fX/4D (where X is the wave-length concerned, D the diameter of the collimator lens, and f its focal length) practically full resolving power is obtained and a further narrowing of the slit would lead to loss of light without corresponding gain.
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  • The collimator of a spectroscope should be detached, or moved so as to admit of the introduction of an auxiliary slit at a distance from the collimator lens equal to its focal length.
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  • In its simplest form it consists of a direct-vision spectroscope, having an adjustable slit (called "camera slit"), instead of an eyepiece, in the focal plane of the observing telescope.
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  • In the Snow telescope the ratio of aperture to focal length is I: 30.
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  • in diameter on the collimator objective, as its focal length is 60 in.
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  • This forms an image of the solar spectrum in its focal plane on the camera slit (1).
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  • A cross-hair, in the focal plane of an eyepiece, is then moved horizontally until it coincides with the line in question.
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  • The line FL perpendicular to the axis, G D and passing through the focus, is the semilatus rectum, the latus rectum being the focal chord parallel to the directrix.
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  • Any line parallel to the axis is a diameter, and the parameter of any diameter is measured by the focal chord drawn FIG.
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  • parallel to the tangent at the vertex of the diameter and is equal P A B to four times the focal distance of the vertex.
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  • focal length, he discovered the brightest of Saturn's satellites (Titan) in 1655, and in 1659 he published his Systema Saturnium, in which was given for the first time a true explanation of Saturn's ring, founded on observations made with the same instrument.
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  • The sharpness of image in Kepler's telescope is very inferior to that of the Galilean instrument, so that when a high magnifying power is required it becomes essential to increase the focal length.
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  • focal length, and he presented one of 123 ft.
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  • James Bradley, on 27th December 1722, actually measured the diameter of Venus with a telescope whose objectglass had a focal length of 2124 ft.
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  • Huygens contrived some ingenious arrangements for directing such telescopes towards any object visible in the heavens - the focal adjustment and centring of the eyepiece being preserved by a braced rod connecting the objectglass and eye-piece.
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  • focal length, with a magnifying power of 38 diameters, which he presented to the Royal Society of London in December 1671.
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  • focal length, having eye-pieces magnifying up to 230 diameters.
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  • focal length presented to the Royal Society by Huygens, and found that Hadley's reflector "will bear such a charge as to make it magnify the object as many times as the latter with its due charge, and that it represents objects as distinct, though not altogether so clear and bright....
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  • Bradley and Molyneux, having been instructed by Hadley in his methods of polishing specula, succeeded in producing some telescopes of considerable power, one of which had a focal length of 8 ft.; and, Molyneux having communicated these methods to Scarlet and Hearn, two London opticians, the manufacture of telescopes as a matter of business was commenced by them (Smith's Opticks, bk.
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  • focal length had an aperture of 24 in.
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  • focal length with which his early brilliant astronomical discoveries were made.
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  • When the axis of the eye-lens coincides with that of the object-glass, and the focal point of the eye-lens is coincident with the principal focus of the object-lens, parallel rays.
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  • The magnifying power obviously depends on the proportion of the focal length of the object-lens to that of the eye-lens, that is, magnifying power where F is the focal length of the object-lens and e that of the eye-lens.
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  • Consequently, for a certain focal length, much deeper curves must be resorted to if the new glasses are to be employed; this means not only greater difficulties in workmanship, but also greater thickness of glass, which militates against the chance of obtaining large disks quite free from striae and perfect in their state of annealing.
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  • But while an achromatic combination of o 60 and 0.102 alone will yield an objective whose focal length is only 1.28 times the focal length of the negative or extra dense flint lens, the triple combination will be found to yield an objective whose focal length is 73 times as great as the focal length of the negative light flint lens.
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  • Hence impossibly deep curvatures would be required for such a triple objective of any normal focal length.
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  • focal length a discrepancy of I unit in the 3rd decimal place in the above proportional figures would cause a linear error in the focus for that colour of only about .025 in., so that the largest deviation implied by the tables would be a focus for the extreme violet H ray about 037 longer than the normal.
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  • 4) in which the field-lens is changed into a meniscus having radii in about the ratio of +I to - 9 gives still better results, but still not quite so good as the results obtained by using the combination of two convexo-plane lenses of the focal ratio 2 to I.
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  • The field-lens is thus in the principal focal plane of the eye-lens, if the separation be equal to -f f2).
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  • This is such a practical drawback that the separation is generally 4ths or $ths of the theoretical, and then the primary image viewed by the eye piece may be rather outside the field-lens, which is a great practical advantage, especially when a reticule has to be mounted in the primary focal plane, although the edge of the field is not quite achromatic under these conditions.
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  • The focal adjustment is accomplished by the screw S, which acts on a slide carrying an arm to which the mirror B is attached.
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  • The magnifying power of the telescope is = Ff /ex, where F and f are respectively the focal lengths of the large and the small mirror, e the focal length of the eye-piece, and x the distance between the principal foci of the two mirrors (=Ff in the diagram) when the instrument is in adjustment for viewing distant objects.
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  • Every time, therefore, that a speculum is repolished, the future quality of the instrument is at stake; its focal length will probably be altered, and thus the value of the constants of the micrometer also have to be redetermined.
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  • Both telescopes have the same focal length, viz.
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  • focal length, at the private observatory of Dr Engelmann, Leipzig.
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  • focal length (described in Washington Observations, 1874, App. 1) was in these respects very defective, the polar and declina tion axes being only 7 in.
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  • focus, but for certain classes of work it is desirable to have the advantage of greater focal length.
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  • In this case the image is formed without secondary magnification and the focal length is 25 ft.
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  • In this case the equivalent focal length is 150 ft.
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  • 21 (c), with an equivalent focal length of loo ft.
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  • Naming the central ray passing through the entrance pupil the " axis of the pencil " or " principal ray," we can say: the rays of the pencil intersect, not in one point, but in two focal lines, which we can assume to be at right angles to the principal ray; of these, one lies in the plane containing the principal ray and FIG.
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  • Two " astigmatic image surfaces " correspond to one object plane; and these are in contact at the axis point; on the one lie the focal lines of the first kind, on the other those of the second.
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  • If, in the first place, monochromatic aberrations be neglected - in other words, the Gaussian theory be accepted - then every reproduction is determined by the positions of the focal planes, and the magnitude of the focal lengths, or if the focal lengths, as ordinarily happens, be equal, by three constants of reproduction.
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  • For example, it is possible, with one thick lens in air, to achromatize the position of a focal plane of the magnitude of the focal length.
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  • For infinitely distant objects the radius of the chromatic disk of confusion is proportional to the linear aperture, and independent of the focal length (vide supra," Monochromatic Aberration of the Axis Point "); and since this disk becomes the less harmful with an increasing image of a given object, or with increasing focal length, it follows that the deterioration of the image is proportional to the ratio of the aperture to the focal length, i.e.
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  • (This explains the gigantic focal lengths in vogue before the discovery of achromatism.) Examples.
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  • - (a) In a very thin lens, in air, only one constant of reproduction is to be observed, since the focal length and the distance of the focal point are equal.
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  • If the refractive index for one colour be n, and for another and the powers, or reciprocals of the focal lengths, be 4) and 4)+4, then (I) d�/ 4) = dn/ (n - I) =1 /v; do is called the dispersion, and v the dispersive power of the glass.
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  • If a constant of reproduction, for instance the focal length, be made equal for two colours, then it is not the same for other colours, if two different glasses are employed.
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  • If, therefore, for two colours, a and b, � = f b =f, then for a third colour, c, the focal length is different, viz.
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  • von Rohr's Theorie and Geschichte des photographischen Objectivs, the abscissae are focal lengths, and the ordinates wave-lengths; of the latter the Fraunhofer lines used are A' C D Green Hg.
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  • 486'2 434' 1 405.1 k�, and the focal lengths are made equal for the lines C and F.
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  • In the neighbourhood of 550 pu the tangent to the curve is parallel to the axis of wave-lengths; and the focal length varies least over a fairly large range of colour, therefore in this neighbourhood the colour union is at its best.
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  • Should there be in two lenses in contact the same focal lengths for three colours a, b, and c, i.e.
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  • If we write r for PN, then y= r cos a, and equation 9 becomes 13.7,T - I) This relation between y and r is identical with the relation between the perpendicular from the focus of a conic section on the tangent at a given point and the focal distance of that point, provided the transverse and conjugate axes of the conic are 2a and 2b respectively, where a= p, and b 2 = -.
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  • While London is naturally the principal focal point of the English railway system, the development of through connexions between the chief lines by way of the metropolis is very small.
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  • Focal length, 9 ft.
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  • The circular cubic and the bicircular quartic, together with the Cartesian (being in one point of view a particular case thereof), are interesting curves which have been much studied, generally, and in reference to their focal properties.
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  • These rays come to a focus at a point F lying in the focal plane of the telescope.
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  • Metrical relations between the axes, eccentricity, distance between the foci, and between these quantities and the co-ordinates of points on the curve (referred to the axes and the centre), and focal distances are readily obtained by the methods of geometrical conics or analytically.
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  • the sum of the focal distances of any point on the curve equals the major axis.
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  • Of the properties of a tangent it may be noticed that the tangent at any point is equally inclined to the focal distances of that point; that the feet of the perpendiculars from the foci on any tangent always lie on the auxiliary circle, and the product of these perpendiculars is constant, and equal to the product of the distances of a focus from the two vertices.
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  • (2) If the major axis and foci be given, there is a convenient mechanical construction based on the property that the sum of the focal distances of any point is constant and equal to the major axis.
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  • All the rays through a given point in the first principal focal plane of the anterior system of lenses traverse the plate as a parallel beam and reunite at the corresponding point of the second focal plane of the posterior system, each in its passage being divided into two by the plate having a given relative retardation.
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  • A web in the focal plane of telescope marks the point in the field at which the bands are to be made to disappear; this is effected by turning the polarizer by means of a rack and pinion worked by an arm from the observer's end of the instrument.
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  • toward the river from this was established another focal point called the Campus Martius, 600 ft.
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  • This is effected by the power of accommodation of the eye, which can so alter the focal length of its crystalline lens that images of objects at different distances can be produced rapidly and distinctly one after another upon the retina.
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  • The eye is strained in bringing its focal length to the smallest possible amount, and when this strain is long continued it may cause pain.
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  • when the object is in its front focal plane.
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  • Since H' P = F 0, = y, from the focal length of the simple microscope, the visual angle w' is given by tan w'/y=I/f'=V, (I) in which f', = H' F', is the image-side focal length (see Lens).
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  • Since the lens is bounded by air, the imageand object-side focal lengths f' and f are equal.
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  • l/y = i/f = V.1; (2) it is thus equal to the magnifying power multiplied by the distance of distinct vision, or the number of times that the focal length is contained in Io in.
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  • focal length must be spoken of, according to this notation, as a X 10 lens, and a lens of in.
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  • focal length as a X loo lens.
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  • In addition it will be supposed that the centre of the pupil of the observer coincides with the back focal point of the system.
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  • focal length assures to the normal-sighted person a X 10 magnification, it affords to the short-sighted individual only X 4.
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  • Doublets, &'c. - To remove the errors which the above lenses showed, particularly when very short focal lengths were in question, lens combinations were adopted.
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  • 8) is a combination of two piano-convex lenses, the focal lengths of which are in the ratio of 3: I; the plane Wollaston.
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  • Triplets are employed when the focal length of the simple microscope was less than in.
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  • focal length by compounding two positive systems of 1 in.
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  • each, whose focal planes, turned towards one another, are separated by 8 in.
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  • Let O01=y, O'01' =y', the focal distance of the image F I 'O' =A, and the image-side focal length f l ', then the magnification M =y /y=o/,/1' (3) The distance A is called the " optical tube length."
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  • A series of objectives with short focal lengths are available, which permit the placing of a liquid between the cover-slip and the front lens of the objective; such lenses are known as " immersion systems "; objectives bounded on both sides by air are called " dry systems."
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  • In immersion systems the object-side focal length is greater than the imageside focal length.
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  • This is the case if the image O'OI' lies in the front focal plane of the eyepiece.
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  • In this case the optical tube length equals the distance of the adjacent focal planes of the two systems, which equals the distance of the image-side focus of the objective F 1 ' from the object-side focus of the eyepiece F2.
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  • The image viewed through the eyepiece appears then to the observer under the angle w", and as with the single microscope tan w" = I /f 2 ' (4) where f' 2 is the image-side focal length of the eyepiece.
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  • (6) The magnification number increases then with the optical tube-length and with the diminution of the focal lengths of objective and eyepiece.
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  • 14, the real image formed by the objective must fall on the object-side focal plane of the eye _ piece F2, where a normal eye without accommodation can observe it.
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  • entrance pupil lies behind the focal plane, and consequently nearer objects appear larger, and farther objects smaller (" entocentric transmission," see below).
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  • If a diaphragm lying in the back focal plane of the objective forms the exit pupil for the objective, as in figs.
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  • The size of the imago on the focal plane is always equal to its actual size, and is independent of the distance of the object from the plane focused for.
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  • To ensure the telecentric transmission, the diaphragm in the back focus of the objective may be replaced by a diaphragm in the front focal plane of the condenser, supposing that uniformly illuminated objects are being dealt with; for in this case all the principal rays in the object-space are transmitted parallel to the axis.
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  • `' must lie in the front focal plane of the eyepiece if we retain the supposition IT/ that it is to be viewed by a normal 0, p F, eye with passive accommodation.
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  • The plane in the object conjugate to the focal plane of the eye-piece is the plane FIG.
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  • of the focal plane, on the other hand, are projected as circles of confusion on the plane focused for, the centre of the entrance pupil being the centre of projection and the circles of confusion constituting, with the points of the focal plane, the object-side imago.
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  • As the pencils used in the representations are of wide aperture on the object-side, only such points as are proportionately very near the focal plane can produce such small dispersion circles on the plane focused for, that they, so far as the objectiveand eyepiece-magnification permit, appear as points to the eye.
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  • in the object-space the objective has telecentric transmission, the exit pupil must coincide with the back focal plane of the combined system, and it always lies behind the image-side focus of the eyepiece.
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  • back focal plane of the objective, can be conveniently seen with the naked eye by removing the eyepiece and looking into the tube, or better by focusing a weak auxiliary microscope on the back focal plane of the objective.
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  • If the obliquity of illumination be so great that the principal maximum passes through the outermost edge of the objective, while a spectrum of 1st order passes the opposite edge, so that in the back focal plane the diffraction phenomenon shown in fig.
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  • If this object be viewed by the objective, so that at least the diffraction spectra of 1st order pass the finer divisions, then the corresponding diffraction phenomenon in the back focal plane of the objective has the appearance shown in fig.
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  • If one cuts out by a diaphragm in the back focal plane of the objective all diffraction spectra except the principal maximum, one sees in the image a field divided into two halves, which show with different clearness, but no banding.
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  • The cutting off of the chief maximum can be effected by a suitable diaphragm in the back focal plane of the objective.
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  • With the .orthogonal arrangement for illuminating and observing the beam of light traverses an extremely fine slit through a well-corrected system, whose optic axis is perpendicular to the axis of the microscope; the system reduces the dimensions of the beam to about 2 to 4 in the focal plane of the objective.
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  • The two most customary eyepieces consist in two simp:e planoconvex lenses, whose distance one from the other is equal to half the sum of the two focal lengths.
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  • The lens nearer the eye, which has about the same focal length as the collective lens, is distant from it by about its focal length.
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  • By the magnification of the objective is meant the ratio of the distance of distinct vision to the focal length of the objective.
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  • The distance of the concave mirror from the stage plate is about equal to its focal length.
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  • By a correct choice of the focal length of the illuminating lens in relation to the focal length of the mirror, it is possible to choose the size of the image of the source of light so that the whole object-field is uniformly lighted.
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  • focal length that rays parallel to the axis falling upon it were united exactly upon the object.
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  • Beck, which can be conveniently fitted in and used for objectives with different focal lengths.
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  • In the lower focal plane of the eyepiece, at the spot where the real image which the objective forms of the object arises, a glass plate is introduced on which are two fine cross lines or even two very thin threads.
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  • When determining the magnification the microscope must be used under exactly the same conditions: neither the length of the tube nor the focal length of the objective may be altered.
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  • The size of these circles depends, in the case of equal tube lengths, only on the type of the objective, and not on the focal length, exact execution being assumed.
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  • The size of these details in the image depends only on the magnification of the objective, M and can by appropriate choice of the focal length of the objective be brought to the right value.
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  • Strong systems produce in the proximity of their back focal plane an image of the scale, which can be inspected with a weak auxiliary microscope, and the length of the visible part of the graduation determined.
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  • The magnification of a microscope is determined from the focal lengths of the two optical systems and the optical tube length, for N = 250 A/fi'f2 To determine the optical tube length 0, it is necessary to know the position of the focal planes of the objective and of the ocular.
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  • If one focuses an auxiliary microscope, carried in the inner tube, on the image situated in the back focal plane of the objective of a distant object, and then on the dust particles lying on a slide pressed against the end of the outer tube, the displacement of the auxiliary microscope gives the distance of the back focal plane of the objective from the end of the outer tube.
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  • To determine the position of the anterior focal plane of the eyepiece, the eyepiece is placed on the stage with the eye-lens downwards.
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  • This gives the distance of the anterior focal plane of the eyepiece from the bottom edge of the setting of the eyepiece and consequently also of the edge of the eyepiece carried by the upper end of the tube.
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  • It There are many methods for determining the focal length of the objective.
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  • The objective to be examined is placed on the stage, and in the manner just shown, the distance of the focal plane from the edge of the fittings or to the surface plane of the front lens is determined.
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  • The same method can be used to determine the focal length of the eyepiece.
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  • the optical length of the tube A, the focal lengths of the objective, and of the eyepiece f2.
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  • The focal length of an objective can be more simply determined by placing an objective micrometer on the stage and reproducing on a screen some yards away by the objective which is to be examined.
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  • If the size of the image of a known interval of the objective micrometer is determined by an ordinary scale, and the distance of the image from the focal plane of the objective belonging to it is measured, then the focal length can be calculated from the ratio y/y'=fl', in which y is the size of the object, y' that of the image, and xi' the distance of the image from the focal plane belonging to it.
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  • achromatic combinations of lenses with matched focal lengths.
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  • add-on therapy for children with focal epilepsies.
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  • The first system is the study of protein modules which mediate transient associations at sites of focal adhesion.
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  • Dr. Stefan Arold Interactions of focal Adhesion kinase The interaction of focal adhesion kinase The interaction of focal adhesion kinase with fyn.
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  • ambience50 is now the focal point of the whole resort with a true village ambiance.
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  • References: Focal retrograde amnesia in a patient with transient epileptic amnesia.
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  • References: Focal retrograde amnesia in a patient with transient epileptic amnesia in a patient with transient epileptic amnesia.
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  • Seizures and focal neurological deficits were the main clinical features observed in patients with intracranial cavernous angiomas.
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  • arbourcan create a focal point in your garden, or frame a special vista with this simple wooden arbor.
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  • An extensive patio area provides space for community events and the recently restored bandstand and ornamental fountain provide focal points within the gardens.
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  • Display Screen Technologies The introduction of this new technology revitalizes whole class teaching with the traditional blackboard replaced by a new focal point.
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  • cauldronge caldron used to make pilaf had a special symbolic significance for the Janissaries, and was the focal point of each division.
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  • chocolate fountain creates a sumptuous focal point for your guests.
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  • convex lens has a focal length of 150 mm.
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  • There are just ten bedrooms, and the inn's focal point is the restaurant, where you savor creative cuisine.
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  • directional in nature, producing a pronounced'sweet ' spot or focal point for the sound.
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  • This total includes all dyads in the group, not only focal females.
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  • Focal cortical dysplasia may result in refractory partial seizures.
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  • The patients all had focal arm dystonia or writer's cramp.
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  • Adult-onset primary dystonia This is a rare subtype of focal dystonia.
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  • Late-onset primary torsion dystonia or focal dystonia is inherited in a more complex manner than the early-onset dystonia.
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  • This is particularly true of the early onset epilepsy syndromes, both those that are focal and those that are generalized in onset.
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  • normal fibroblasts adhere to the dish using vinculin (green) to attach the actin cytoskeleton (red) by cell surface focal adhesions.
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  • The focal point of the room is the new marble style feature fireplace with living flame open grate fire.
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  • Diffuse or focal leakage can be identified by fundus fluorescein angiography (FFA ).
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  • focal point, in the shape of a large spiral.
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  • focal length of 150 mm.
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  • focal plane.
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  • focal reducers from Meade witout focus problems.
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  • focal adhesion.
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  • focal red lesions on their body.
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  • A cross can be seen in the back focal plane.
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  • US Army photographs a UFO near a missile using a special, very long focal length telescope.
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  • Local centers are typically also focal points for the community life of their areas.
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  • A convex lens has a focal length of 150 mm.
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  • The larger blocking filter allows you to extend the focal length without vignetting but does not enhance detail or lower the bandpass.
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  • focal point of all attention, and he adored it.
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  • focal points of interest and discussion within the forum.
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  • The EU should not (and cannot) become the focal point for social policy.
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  • focal point for Irish activities at the Cannes Film Festival.
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  • focal point for community life, but also numerous job losses.
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  • focal point for social policy.
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  • focal point for players of MUDs, too, and the bigger MUDs began to take stands at them.
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  • The exhibit had at its center a tall focal point, in the shape of a large spiral.
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  • No overt language dysfunction was found in our population of 18 patients with focal ischemic lesions primarily affecting the right frontal or temporal lobes.
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  • Renal disease is characteristic and the typical histological appearance is a focal segmental necrotising glomerulonephritis.
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  • More subtle abnormalities such as focal nodular heterotopia and band heterotopia may only be apparent if optimal MRI techniques are used.
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  • A remaining 5mm focus of focal nodular hyperplasia was not detected by either observer on any technique.
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  • Focal or generalized gingival hyperplasia can occur, due to a chronic inflammatory response to plaque.
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  • insulated externally and finished in a blue render to form a focal point at Easterhouse Place.
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  • lily pond at its focal point with the most beautiful water lilies.
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  • At post-mortem get enlarged lymph nodes (mesenteric and abdominal) and focal necrosis of the liver and spleen.
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  • marionette arms " focal point when practicing the OverSwitch drill.
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  • performing sward height measurement Focal animal sampling was carried out to gain insight into the deer's foraging behavior.
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  • mercy seat is the focal point for a relationship with God.
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  • Air Support operations center The focal point for coordinating air support at corps is the air support operations center (ASOC ).
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  • Note: The strings listed below for the focal plane instrumentation are sufficient to imply the HRMA provided the focusing optics.
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  • We wish to be the focal point for the venture capital industry's involvement in venture philanthropy.
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  • planter boxes at select locations can create focal points.
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  • plasma cell infiltration Cats - postmortem- focal microabscesses and microthrombosis in the liver and spleen.
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  • primeval mound was the focal point of creation.
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  • The golden privet behind the seat in the garden was a real focal point.
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  • Reply: Andy, I agree with Serena in not using a barlow with a focal reducer.
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  • The focal point of this family-run hotel is the atmospheric restaurant the regional cooking is justly renowned locally, with delicious truffle specialities.
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  • Festival Time The Arts Center is also the focal point for the nationally renowned King's Lynn Festival each July.
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  • References: focal retrograde amnesia in a patient with transient epileptic amnesia.
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  • In the 19th Century, Bala became the focal point of the religious revival in North Wales.
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  • On 2 July 2003 at Kensington Town Hall, London, FOCAL will be holding a one-day seminar.
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  • However, its very presence on the agenda provided a focal point for anti-war sentiment.
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  • Trafalgar Square is still one of London's grandest architectural set pieces with its central focal point of Nelson's Column.
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  • The shutter release is a metal focal plane shutter with vertical operation.
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  • The focal point is a royal red deer stag.
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  • The sitting room with focal feature of a wood-burning stove.
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  • Broadway Cabinet - 50 & 100 Two simply stunning mirror cabinets designed to create the ultimate bathroom focal point.
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  • Atrial tachycardia is focal in origin, commonly from muscle sleeves within the pulmonary veins.
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  • A 100mm diameter, 500mm focal length refracting telescope was used, equipped with a solar filter.
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  • Diameter: 56 "; 3-inch aperture telescope of 63 " focal length.
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  • telluric energies, the focal point is in the center of the floor of the quarry.
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  • The bustling town of Mansfield is the focal point for a compact district of 30 square miles.
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  • Motor weakness was focal, usually unilateral, weakness (loss of power) of face, arm, hand, or leg.
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  • With an old garden wall as a backdrop, a classical urn forms the focal point.
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  • The spectacular waterfall in the town center provides a focal point.
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  • waterfront promenade is another focal point of the town.
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  • The new ultra wide-angle for the Pentax 645 range covers the traditional wide-angle focal lengths (approx.
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  • Children's Activities The focal point is a splendid lake where you can try windsurfing or spend a quiet afternoon fishing.
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  • He inserted a slip of metal, of variable breadth, at the focus of the telescope, and observed at what part it exactly covered the object under examination; knowing the focal length of the telescope and the width of the slip at the point observed, he thence deduced the apparent angular breadth of the object.
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  • The focal length of the objective and the distance between the optical centre of the lens and the webs are so arranged that images of the divisions are formed in the plane of the webs, and the pitch of the screw is such that one division of the scale corresponds with some whole number of revolutions of the screw.
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  • Any diameter is a mean proportional between the transverse axis and the focal chord parallel to the diameter.
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  • If a retarding plate be now inserted so as to operate upon the pulses which come from one side of the grating, while leaving the remainder unaffected, we have to consider what happens at the focal point chosen.
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  • A third model proposed by Savary consists of two complete lenses of equal focal length, mounted in cylinders side by side, and attached to a strong brass plate (fig.
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  • Essentially the scale-value of the instrument depends on the relation of the focal From Engineering, vol.
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  • (1) Ile /3 c Tou irvpiov, On the Burning-Glass, where the focal properties of the parabola probably found a place; (2) Hepi On the Cylindrical Helix (mentioned by Proclus); (3) a comparison of the dodecahedron and the icosahedron inscribed in the same sphere; (4) `H Ka06Xov lrpa-yµareta, perhaps a work on the general principles of mathematics in which were included Apollonius' criticisms and suggestions for the improvement of Euclid's Elements; (5) ' (quick bringing-to-birth), in which, according to Eutocius, he showed how to find closer limits for the value of 7r than the 37 and 3,4-A of Archimedes; (6) an arithmetical work (as to which see Pappus) on a system of expressing large numbers in language closer to that of common life than that of Archimedes' Sand-reckoner, and showing how to multiply such large numbers; (7) a great extension of the theory of irrationals expounded in Euclid, Book x., from binomial to multinomial and from ordered to unordered irrationals (see extracts from Pappus' comm.
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  • duced by euclidian methods from the definition include the following: the tangent at any point bisects the angle between the focal distance and the perpendicular on the directrix and is equally inclined to the focal distance and the axis; tangents at the extremities of a focal chord intersect at right angles on the directrix, and as a corollary we have that the locus of the intersection of tangents at right angles is the directrix; the circumcircle of a triangle circumscribing a parabola passes through the focus; the subtangent is equal to twice the abscissa of the point of contact; the subnormal is constant and equals the semilatus rectum; and the radius of curvature at a point P is 2 (FP) 4 /a 2 where a is the semilatus rectum and FP the focal distance of P.
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  • For relatively short focal lengths a triple construction such as this is almost necessary in order to obtain an objective free from aberration of the 3rd order, and it might be thought at first that, given the closest attainable degree of rationality between the colour dispersions of the two glasses employed, which we will call crown and flint, it would be impossible to devise another form of triple objective, by retaining the same flint glass, but adopting two sorts of crown instead of only one, which would have its secondary spectrum very much further reduced.
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  • The extension of the image away from the axis or size of field available for covering a photographic plate with fair definition is a function in the first place of the ratio between focal length and aperture, the longer focus having the greater relative or angular covering power, and in the second a function of the curvatures of the lenses, in the sense that the objective must be free from coma at the foci of oblique pencils or must fulfil the sine condition (see Aberration).
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  • In the Ramsden eyepiece (see Microscope) the focal lengths of the two piano-convex lenses are equal, and their convexities are turned towards one another.
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  • In order to secure the advantage of the principal focal plane of the eye-piece being well outside of the field-lens and at the same time to obtain a large flat field of view with oblique achromatism and freedom from coma and distortion, there is no better construction than the modified Kellner eye-piece (fig.
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  • This form has two distinct advantages: (I) if spherical mirrors are employed their aberrations have a tendency to correct each other; grain' (2) the instrument is shorter than the Gregorian, caeteris paribus, by twice the focal length of the small mirror.
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  • Gauss (Dioptrische Untersuchungen, Göttingen, 1841), named the focal lengths and focal planes, permits the determination of the image of any object for any system (see Lens).
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  • If the refractive index for one colour be n, and for another and the powers, or reciprocals of the focal lengths, be 4) and 4)+4, then (I) d�/ 4) = dn/ (n - I) =1 /v; do is called the dispersion, and v the dispersive power of the glass.
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  • If, therefore, for two colours, a and b, � = f b =f, then for a third colour, c, the focal length is different, viz.
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  • 486'2 434' 1 405.1 k�, and the focal lengths are made equal for the lines C and F.
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  • By compounding two lenses or lens systems separated by a definite interval, a system is obtained having a focal length considerably less than the focal lengths of the separate systems. If f and f' be the focal lengths of the combination, and f2, f2 the focal lengths of the two components, and A the distance between the inner foci of the components, then f = - f,f2/4, f' =fi f27 0 (see Lens).
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  • in the case of a grating, telecentric transmission on the object-side, and in the front focal plane of the illuminating system a small circular aperture is arranged, then by the help of the auxiliary microscope one sees in the middle of the back focal plane the round white image 0 (fig.
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  • Through a suitable diaphragm in the back focal plane, banding can easily be produced in the image, which contains neither the vertical nor the horizontal lines of the two gratings, but there exist streaks, whose direction halves the angle under which the two gratings intersect (fig.
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  • Festival Time The Arts Center is also the focal point for the nationally renowned King 's Lynn Festival each July.
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  • Trafalgar Square is still one of London 's grandest architectural set pieces with its central focal point of Nelson 's Column.
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  • The focal point is the dining room, the setting for dinners of delicious Catalan specialities.
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  • The focal point of the proposed Spaceport Singapore will be suborbital spaceflights.
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  • With nothing either to deflect or attract the telluric energies, the focal point is in the center of the floor of the quarry.
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  • The waterfront promenade is another focal point of the town.
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  • Children 's Activities The focal point is a splendid lake where you can try windsurfing or spend a quiet afternoon fishing.
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  • The crib is often the focal point of the baby nursery and this is no different in a contemporary style nursery.
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  • If you're a new couple and she's told you her favorite flower, you can demonstrate what a good listener you are by sending an arrangement with those as a focal point.
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  • They can perk up a room, create a focal point, or make you feel better when you have the flu.
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  • For many teens' rooms, the bed is the focal point.
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  • Some of the better known niche brands are Focal, Audison, and MB Quart.
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  • Your linens should provide a color base for your dinner ware and centerpiece and not be the focal point of your table.
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  • Focal Length: Like a binocular, this is how far the light travels from the lens to the spot where it comes into focus.
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  • Short focal lengths usually give your bright and clear images, but will have wide areas of view.
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  • Never lose sight of the goal that the child's welfare is the focal point of the co-parenting arrangement.
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  • U-shape - can be used in corners or in the middle of the room facing a focal point (such as a television or fireplace).
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  • Just because you need to have a china cabinet that's on the small side, that doesn't mean that it can't be the focal point of the room.
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  • Make the inspiration piece the focal point in the room and display it prominently.
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  • You may want art and candles as focal points.
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  • If you love country style interior design, a large butcher block table provides a place for family and friends to linger over home cooked meals while creating a focal point for your design.
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  • Your bed will almost certainly be the focal point of your room, so choose the best shape for your space.
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  • Arrange your furniture around a focal piece.
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  • Interior design for living rooms requires a strong focal point.
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  • Many living rooms feature a fireplace as a built-in focal point of the room.
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  • If you have a fireplace, your furniture should be arranged with this focal point in mind.
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  • As with any focal point, your furniture arrangement should focus around this entertainment center.
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  • Those who are lucky enough to have an incredible view from their living room windows should consider allowing nature to be the focal point of the room.
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  • In order for the outdoor view to be a focal point, the living room will require large windows, preferably floor to ceiling length.
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  • Your bed will be the focal point of your room, so this is the space to go all out.
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  • The focal point of David's "before" basement room was a wall size mural of a mountain and lake.
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  • Bar area - Create a home game room that draws a crowd by including a serviceable bar which can also be a focal point.
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  • Therefore, rather than purchasing pieces for children's rooms or to be tucked away in corners where they will never be seen, make these pieces a focal point of a room's design.
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  • The key elements to any living room are conversation areas and focal points.
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  • Arrange this grouping towards your focal point or with the TV in mind if applicable.
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  • Paint a focal wall - For example, if you have decided to paint your master bedroom in a warm aqua color, paint the wall your bed rests against in a rich tan or beige color.
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  • Grapevines and pine cones can also turn a drab window into a rustically beautiful focal point.
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  • Paint one wall a bright color to set it aside as the focal point in the room.
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  • Painting one wall a bright color may be just what your room needs to establish a focal point.
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  • An accent wall behind a bed can set off the bed as the focal point in a teenager's room.
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  • The fireplace, mantel and area above your fireplace probably create the focal point in your room.
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  • You don't have to add a lot of items to your mantel to enhance your fireplace as a focal point.
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  • While the "lived in" sort of living rooms may center around a TV, living rooms that tend towards the formal work best where there is a focal point for the room.
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  • If you are lucky enough to have a fireplace in the living room, make that the focal point for the room and surround the furniture around it accordingly.
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  • When you are choosing your furniture and other accessories, remember that your TV or projection screen is the focal point of the room.
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  • Country French kitchen décor is often the focal point and center of this comfortable decorating style in a home.
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  • The natural variances and gradations in the bamboo will create a visually interesting focal point.
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  • Hang four, square mirrors together to create a focal point or mix a wrought iron mirror with a resin mirror to make a room feel more expansive.
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  • Wrought iron pieces can serve as focal points or accent pieces.
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  • Replicas of vintage sword designs can be found in all price ranges and then displayed as eye-catching focal points.
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  • Not only is it instrumental in helping you get a decent night's sleep, something that doesn't come easy to so many people, it also serves as the focal point in a bedroom design.
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  • The focal point of any bedroom is the bed.
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  • When the electronics are off, you can close the cabinet doors and the large cabinet will serve as the room's focal point.
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  • Paint the walls a dark rich hue like red, green, blue or chocolate and make the fireplace the focal point of the room.
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  • Like any well designed interior, minimalist rooms should have a focal point.
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  • In a small bathroom, art deco wall sconces can serve as the room's focal point.
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  • One of the focal points in the bathroom is the basin or sink.
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  • If the design of your basin or bath is understated, adding bold and angular brassware will help create a modern focal point in your bathroom.
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  • Wall tapestries are a great addition and help to give a focal point to any room.
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  • For this reason, modern decor often uses one large piece of art as a focal point in the room.
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  • Wall designs can be the finishing touch in an almost complete interior, or can be the focal point of an entirely new decor.
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  • The right piece can even be the focal point of your interior design scheme.
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  • Pillows create the focal point for your bedroom.
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  • Wicker headboards can become a focal point in your bedroom and a great place to start a room redesign.
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  • The centerpiece you choose is the focal point of your Thanksgiving table decoration.
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  • Since windows are usually a focal point of the bedroom, window treatments are very important.
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  • Your furniture placement will be dictated somewhat by the focal point of the room.
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  • If you have a fireplace with a decorative mantle, this will likely be your focal point.
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  • A focal point can take the form of an important piece of furniture, such as a grand piano or a large and dynamic painting on the wall.
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  • If entertainment is your primary past time, the television or entertainment center serves as the room's focal point.
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  • Since the island is a natural focal point of the kitchen, the island lighting can be a natural design focal point as well.
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  • If your backsplash is the focal of the room, choose a complementary color or material for the island light to tie the two together.
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  • Do you want your mural to be a backdrop to the room, or the focal point?
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  • Use mosaics all over your backsplash for a contemporary look, or create a focal point behind your cooktop with mosaic tiles while you use a more traditional tile along the counters.
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  • A good headboard creates an instant focal point and allows you to add color and texture into your bedroom design.
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  • Large medallions inlaid into the floor and centered below a light can be a wonderful focal point for guests as they enter the home.
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  • If you use a fireplace as a focal point in the room, then one of the easiest layouts is to place two loveseats in front of it, facing each other.
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  • Often, a beautiful area rug itself can become the focal point in the room.
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  • Filled with red delicious apples, pomegranates or pears, it will make your table a focal point of simple elegance.
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  • Think three - Taller items grouped in threes will create a focal point on your round table and add some elevation.
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  • If you're creating fresh flower arrangements, remember that odd numbered focal flowers in an arrangement appear more symmetrical as a whole.
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  • Scatter colorful sunflower tiles in a plain field for a subtle look, or use several larger tiles together behind the cooktop to make a focal point.
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  • Sometimes a focal point in the room, such as a large piece of wall art can be the driving force behind your room's color scheme.
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  • It may even become the focal point of the room.
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  • Bring different colors or designs together in one tapestry to make a focal point in the room.
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  • One of the first things you'll need to decide is where you want the focal point of the room to be.
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  • For some living rooms, the focal point is the television or entertainment center.
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  • Other focal points could include a fireplace, a large scenic window or an interesting collection or piece of artwork.
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  • Once you have decided what the focal point of your living room is, you can then build a conversation area around the focal point.
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  • If the focal point of the room is a fireplace, then you will arrange your conversation area in the vicinity of the fireplace.
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  • Once installed, your Empire chandelier will be an instant focal point for all who enter your home.
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  • Vibrant red lips will create a focal point on your face, so if you love your lips - paint them red.
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  • The eyes can easily serve as the focal point for a dramatic look; play them up and keep everything else toned down to really draw the attention to your handiwork.
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  • Consider pairing your pale face and lip stain with little else to create a creepy and dramatic focal point.
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  • Determine whether you'd like your eyes or your lips to be the focal point of your face.
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  • Don't make your cheeks the focal point of your look.
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  • Lips: If your eyes are the focal point, a pale glossy color on lips won't detract from them or your roses.
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  • Dramatic lips: You have that lovely bouquet of red roses, so perhaps you want your lips to be the focal point.
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  • Light lips and cheeks: Women are often advised to pick a focal point when making up their faces.
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  • If you love your lips and want them to be the focal point of your face, you have numerous ways to highlight them.6.
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  • The focal point can remain on the lips or on deeper shadow shades worn in the same look.
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  • You still need a focal point when creating holiday makeup.
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  • Experiment with focal lengths: Depending on how comfortable your model is posing in the nude, you might want to vary your focal length.
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  • If your subject needs time to warm up, then start the session shooting with a longer focal length.
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  • One special sticker could be the perfect focal point for your page.
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  • Cut a chipboard frame to use as a mat for your focal point photo.
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  • Paper frames for scrapbooks offer a way to draw attention to the focal point photo in your layout.
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  • There's no rule that says you can't use a variety of colors, but using a few focal colors through your pages will help unify them visually.
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  • This allows you to place more pictures on a page as well - you can use one larger photo as the focal point, with smaller complementary pictures surrounding it.
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  • Stress balls: Gripping a stress ball or holding a similar object can be a focal point for grounding oneself in the practice of cosmic-oriented meditation.
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  • The trick to emphasizing your favorite focal point is to figure out your body shape prior to shopping for the perfect Homecoming dress.
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  • This will make an elegant focal point for the room and ornaments can follow the theme or color scheme of your wedding.
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  • The wedding cake is a primary focal point at the reception, and like all the other 'pieces' of your wedding and reception, you want it to be spectacular.
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  • The wedding cake is usually the focal point of the reception.
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  • Your wedding cake itself will be a focal point, but even more so during the cake cutting ceremony.
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  • Fountain wedding cakes are elegant, beautiful, and a perfect way to showcase the cake as a primary focal point of the reception.
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  • Choose one color as the main focal point, using the secondary colors as accents throughout bouquets, ceremony decorations, and reception decorations.
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  • Location can be the focal point of other simple wedding reception ideas, too.
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  • Parks: Parks often have bandshells or gazebos that can be used as the focal point of the ceremony.
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  • By coordinating all the ceremony decorations with the aisle as the focal point, couples will create an unforgettable location to share their unforgettable vows.
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  • Head table wedding decorations make natural focal points for a reception.
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  • Since the real focal point here is the blushing couple, decorations should not cover or obscure their faces.
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  • Will this curtain make the shower a focal point of the room?
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  • Tropical shower curtains are becoming popular focal points in many bathrooms, and decorating with a tropical theme lends a sense of tranquility to just about any room in your home.
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  • Before you can begin, however, you need a focal point, and tropical shower curtains are an easy resource to use for inspiration.
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  • Southwest-While much of the Southwest uses similar designs and focal points to those of the Old West, the Southwest is appealing for its use of colors as well.
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  • Mix and match earth tones with colors taken from the rustic cabin shower curtain you've selected as your main focal point.
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  • If your bathroom is lacking color, this shower curtain can create a focal point.
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  • A fancy curtain can become the focal point in any bathroom.
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  • A zebra print rug, ottoman, bedding, upholstered chair, or window treatment creates the prefect focal point in this style of room without moving away from the natural theme.
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  • Zebra print window treatments will make any window a focal point.
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  • There is no better way to showcase personal style in the powder room than by making a shower curtain the focal point.
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  • Country plaid shower curtains make it easy to add an attractive focal point to your bathroom.
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  • In fact, the shower curtain is the focal point of many bathrooms.
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  • Some designs are quite conservative in the approach, incorporating color as the primary focal point and keeping imagery to a minimum.
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  • In fact, a bedspread and its accompanying accessories are often the focal points of the room.
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  • If your mermaid curtain is particularly eye-catching, colorful and decorative, then consider making that piece the focal point of the room.
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  • If you want to play it safe with your unique shower curtain, make your curtain the focal point of the entire room.
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  • Since the bed is such a prominent and focal point of most bedrooms, it stands to reason that the bedding you choose will stand out just as much.
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  • Since comforters are often the focal point of the room, a large and gregarious print will take away from the rest of the room and give it a smaller even claustrophobic appearance and feel.
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  • The Millennium class ships are the most extravagant of all, with extraordinary inner-lit onyx atrium staircases serving as a spectacular focal point and favorite photo location.
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  • A focal point of most ships' spas is the enormous thalassotherapy pool - a saltwater hot tub that simultaneously harnesses the therapeutic benefits of saltwater, heat, and gentle massage.
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  • Royal Caribbean often employs renowned artists to design focal points of their new vessels, such as the main pool area or adults-only Solarium.
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  • Cabins are generally minimalist, with the highlight of each stateroom being the signature "Tranquility Bed" - a restful focal point with an extra-thick mattress, luxury sheets, down duvets, and abundant throw pillows.
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  • A formal dry garden could be the focal point of your landscape, or the style of the garden could be conveyed through the use of areas of sand and gravel.
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  • A greenhouse can be a focal decorative part of your current garden or hidden behind the shed.
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  • Making small raised island flower beds creates focal points throughout the garden.
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  • Do I need to pinpoint light onto a specific focal point?
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  • Since the sink is often the focal point of the kitchen, and since it will be used multiple times daily, you should consider the different types of sinks available as well as the accessories, cost, and basic maintenance needed.
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  • Bathroom mirrors function as a focal point in any bathroom.
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  • With designer track lighting, it is easy to reconfigure lighting when focal points shift.
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  • Because of the ease with which you can move the lights, they are uniquely suited to art galleries and other places where the focal points move frequently.
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  • Focal point: Everything from rooms to paintings needs a focal point.
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  • A pool, hot tub, outdoor fireplace, or even a set of chairs can work as a focal point for your patio.
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  • Lay a border of mosaic tile around your solid tiles to create a focal point for your bathroom.
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  • Versatile and elegantly simple, Hampton Bay outdoor lighting post and path lights can add dimension to a walkway and create a focal point when included in a flowerbed or near an entry.
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  • For a more dramatic focal point, a group of painted tiles can be included into a mural over the stove or kitchen sink.
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  • If you don't have a fireplace, create a focal point with a custom-built entertainment center.
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  • If you wish to illuminate one area versus another, change the focal point of the lighting in the room, or create a custom light source for the room - track lighting delivers.
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  • It is not uncommon to use two materials or two patterns in one space, with a focal point behind the cooktop and a more simple pattern along the counters.
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  • When installed properly, your metal backsplash is sure to become a focal point for the entire kitchen.
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  • Use decorative tiles only behind the cooktop, and coordinating plain tiles along the counters for a focal point.
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  • An epitome of the kind of craftsmanship and artistry Me and Ro prides themselves on, each pearl is hand beaded to create a lively focal point for the 18K gold ring.
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  • Claddagh earrings with a heart-shaped gem as the focal point of the icon.
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  • Whereas a woman's piece of jewelry may use multiple gems to create a sparkling tapestry, men's jewelry is much more likely to use a single gem as an accent rather than as a focal point.
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  • Incorporating unusual shaped beads into a piece of jewelry will provide an interesting focal point.
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  • Gemstones can either be the focal point of the locket design or an accent to an etched motif.
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  • Tight jeans can be the focal point of your outfit so play them up by making them the center of attraction.
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  • Accessories create a fashion focal point and a way to add spice to your ensemble, but it's not always easy to find a plus size belt that both looks good and is comfortable.
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  • While a V-neck adds a sultry vibe, make sure it's not too low-cut since your legs are your main focal point.
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  • If your dress is short, your shoes will serve as a focal point.
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  • When you wear a plus size denim jumpsuit, expect the bust and hips to be the focal points.
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  • An empire waistline that is accented by a touch of embellishment also adds an intriguing focal point to the look.
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  • Choose a focal point: This goes hand in hand with recognizing your best features.
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  • These belts are more than just focal points for a western style outfit.
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  • Look at the neck: A v-neckline is a great bet, because it draws the eye upward and creates a flattering focal point.
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  • For others, travel and volunteering become the major focal points of retirement.
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  • Astigmatism is another circumstance that can affect vision-in this case, there is distortion in the eye and this results in a second focal point.
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  • This majestic sphere that welcomes guests as the focal point of Epcot weighs 16 million pounds.
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  • Today many of these beautiful antique bowed glass china cabinets grace the homes of antique collectors creating a focal point in a room.
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  • Various breathing techniques, cleansing breath, panting and blowing, are used for different phases together with the use of a focal point to enable the laboring woman to maintain control.
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