Magnification sentence example
The magnification is too small to show the zebra striping of the pearlite.
There are three eyepieces which are mounted on a revolving sleeve in such a way that any one of them can be quickly brought into use, to give the magnification suitable to the height of the mast.
Used with text magnification to enhance the screen display.
The magnification therefore equals the power of the joint system.
The comparison of the two scales gives directly the magnification.Advertisement
There still remains a slight chromatic difference in magnification, for although the magnification consequent upon the fulfilment of the sine-condition is the same for all zones for one colour, it is impossible to avoid a change of the magnification with the colour.
By the magnification of the objective is meant the ratio of the distance of distinct vision to the focal length of the objective.
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.
In this case the white tin-rich portions are themselves a complex that can be resolved into two substances by a higher magnification.
An image is therefore projected by the ocular from the real magnified image produced by the objective with increased magnification.Advertisement
Obviously the position of a normal eye free from accommodation is immaterial for determining the magnification.
The pencils producing the real image are very much more acute, and their inclination is the smaller the stronger the magnification.
A fine scale with known intervals is put on the stage plate, and by determining the distance between the graduations of the objective micrometer formed through the same objective, by means of the screw micrometer ocular, the magnification of the objective is determined.
By using an objective micrometer in place of the object, the magnification of the objective can be ascertained and from this the actual size of the object.
In the case of a suitable ocular magnification, the details will be well seen, while the aberration circles remain invisible.Advertisement
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.
These are the dimensions necessary for determining the magnification of the microscope, viz.
The reduction of almost all visible chromatic aberration at 60x magnification on the base model ES 80 GA SD is a real breakthrough.
There are however, special condensers for higher magnification, complete with oil immersion (for contact with the bottom of the slide ).
In the plankton sessions we found copepods with their egg sacs, barnacle larve andsome diatoms under the highest magnification.Advertisement
The full field of the 20X eyepiece is used and the image quality is quite good at 20X viewing magnification.
Dactylogyrus 01 (gill fluke) (212 kb) A gill fluke on the edge of a gill filament at 100x magnification.
You can drag the map around and adjust the magnification to make best use of the printed area.
These normally maintain or even increase the magnification of the cameras own close up lens.
Once you have these figures you also need to discover the maximum magnification the telescope is capable of.Advertisement
Figures 6 and 7 show higher magnification micrographs of hardmetal samples tested with wet rubber, dry rubber and wet steel test wheels.
The display, measuring 7.5 mm across, is to be used in viewfinders, with appropriate lens magnification.
Note that many of the fine lines in the low magnification photomicrographs are actually trails of microscopic bubbles!
The magnification on the photographs of a creeping planula, a frustule, and these two polyps are all the same.
It attracts a commensurate price tag but magnification and speech are available separately and are more affordable.
Under average seeing conditions, atmospheric turbulence limits the highest useful magnification to 25 to 30 times per unit of aperture.
A standard quartz wedge might show five orders of interference colors making the color bands under view much more compressed for the same magnification.
I first started to record snowflake images with a 35mm camera and a set-up to yield 10x magnification on the film.
To edit the beginning and end of sound clips precisely, use a larger magnification on the timeline.
Inclusions are visible to a trained professional's eye when a diamond is viewed at a 10x magnification.
Magnification- the magnification is the first number in the binocular (for example, the 8 in 8x32).
If you need a higher magnification, choose a spotting scope instead of binoculars.
To start, you may want to purchase a makeup mirror with magnification.
From smoothing foundation, to plucking stray eyebrow hairs, a lighted cosmetic mirror with a high level of magnification is a must for every woman's beauty toolbox.
While many standard cosmetic mirrors offer a 1x magnification, demand for makeup mirrors with higher levels of magnification has increased in recent years.
Magnification for cosmetic mirrors usually ranges between 1x and 12x.
An 8x lighted makeup mirror, therefore, offers a very high level of magnification that will ensure accurate applications of makeup and facial care.
An 8x lighted makeup mirror combines both the efficiency of a high magnification with the necessary light beams to ensure flawless makeup application.
One side typically offers a standard mirror view, while the reverse side will offer the 8x magnification, although various levels of magnification are offered as well, such as 3x by 8x.
These tri-fold mirrors may also offer standard or low magnification along with the 8x magnification.
Although travel mirrors are usually smaller than their standard counterparts, many travel mirrors offer high magnification levels such as the 8x.
A 10x makeup mirror provides a high level of magnification that is perfect for a range of beauty needs.
Even the 1x magnification often found on the reverse of many cosmetic mirrors may not be much help.
Magnifications for cosmetic mirrors generally range from slight (1x) to high (12x), and women with vision corrective eyewear may benefit from the higher levels of magnification.
For many women, however, the precision lighting many cosmetic mirrors provide is a coveted companion to the powers of magnification.
Typical styles either contain a standard mirror on one side and flip to reveal the 10x magnification, or consist of a central mirror offset with panels or wings.
Since 10x makeup mirrors provide such a high level of magnification, they may not be as readily available as the standard 5x makeup mirrors.
It includes a standard mirror with magnification on the reverse and all-purpose lighting for great vision during cosmetic application.
Lights, teamed with magnification, provide the user with the optimal setting in which to touch up the face.
The optical lenses are available in a variety of magnification levels.
The Multi-Mag mirror offers close-up and full-image magnification mirrors together.
Providing magnification that is both distortion-free and optically correct (a must-have mirror feature), the standing travel mirror will ensure satisfaction for anyone who appreciates a sharp, clear image.
Men will appreciate their magnification powers since they are especially helpful to men who use wet/dry shavers in the shower.
These mirrors provide strong, clear magnification.
Optically perfect lenses are thick, distortion-free and offer magnification at a high strength.
The Esca classic 8 inch round lighted pedestal with 1x and 5x magnification is a favorite choice and just right for perfect makeup application every time.
Both a standard 7 inch wall mount mirror and a lighted 8 inch round wall mount mirror - each with standard and 5x magnification - are available from Esca.
Other mirrors form Esca include their handy suction cup mirror that easily adheres to any hard surface, their floor mirror with 1x by 5x magnification, and a grab and go hand mirror with rest.
When shooting the moon with a SLR camera, you will want to use a lens that offers the highest magnification possible.
Flawless - This diamond is perfect, with no blemishes or inclusions visible under 10x magnification.
Internally Flawless - This diamond is almost perfect but has some blemishes visible on the surface of the stone when viewed under 10x magnification.
With this light magnification, when you place your eyes against the night vision goggles, you see a version of the outside world projected on two miniature "television" screens in front of your eyes.
What it offers is a combination of high resolution, small size, ability to hook up to a camera (great photography options!), 1x magnification (with the option for more), and a heavy coated glass lens.
You can also pick up a 3x magnification kit for these.
These magnifiers are designed to provide hands-free magnification, and they tend to fit most eyeglass frames.
While this is not the type of magnifier that is worn over your existing pair of eyeglasses, you may appreciate the fact that each of the magnifiers in this set offers various magnification powers.
They reduce eye magnification for patients who are farsighted.
If you're looking for generic magnification, you'll find racks of reading glasses in different levels and styles.
Choose from Smoke or Amber Gradient lenses, 2.5x or 3.5x magnification.
Before ordering, it's a good idea to try on some reading glasses in person so you'll be certain to choose the correct magnification for your eyes.
Keep in mind, as you age, your magnification needs increase.
Usually, that same magnification will work well in sun readers.
You will normally not see more than a 1x magnification on night vision goggles in general.
If you need more magnification, you can opt for binoculars or monoculars which sometimes offer more magnification.
Just pick a pair up when you see some you like, provided the store has the magnification strength you need in stock.
Both Berkley models have a base curve of eight and give you magnification as well as sun protection.
They're easier to find in an average drugstore, come in understated and funky styles, and the whole area of each lens offers magnification.
They only have magnification at the bottom of each lens, so you'll still be able to see clearly through the top.
The lenses offer magnification at the bottom while leaving the top clear, so you can easily alternate between reading your book and glancing up to enjoy the surrounding scenery.
If you choose the reader, instead of entering in your prescription, you'll choose from magnification levels of 1.50, 2.00 and 2.50.
Child (5 to 11) $17--Every child ticket purchased comes with a complimentary pair of 5X magnification souvenir binoculars.
Real pearls have a smooth, consistent texture even when viewed under magnification; imitation pearls may have bumps, grains, or other texturing.
Many can only be seen under extreme magnification.
These are not visible to the naked eye and are difficult to see at 10x magnification.
I1, I2, and I3 diamonds have inclusions you can see without magnification.
Other flaws can only be seen at magnification, and those diamonds receive a higher rating.
In both cases, trained diamond graders will see only small flaws under 10x magnification.
In slightly included diamonds, which receive the grades of SI1 or SI2, trained graders will easily be able to see flaws under 10x magnification.
The identifying marks are only visible under high magnification to prevent it from interfering with the stone's beauty.
Before buying any emerald-cut diamond, whether it is an estate stone or a newly-cut gem, make sure you view the stone under 10x magnification.
Imitations will look more grainy under magnification.
A professional grader examines the diamond under 10X magnification to identify inclusions and assign a clarity grade based on how easy it is to see any blemishes in the stone.
The logo and identification number are viewable through magnification with a jeweler's loupe, and are not readily visible to the naked eye so that it doesn't interfere with the design.
The term Anatomy, originally employed in biological science to denote a description of the facts of structure revealed on cutting up an organism, whether with or without the aid of lenses for the purposes of magnification, is restricted in the present article, in accordance with a common modern use, to those facts of internal structure not concerned with the constitution of the individual cell, the structural unit of which the plant is composed.
To enable a distant ship or other object to be examined more closely it is possible in some periscopes to change the magnification from a normal power of 1.5 to a power of 6.
This instrument, which has a magnification of 2200, detects the slightest tremors, and is consequently most useful in recording earthquakes of distant origin; its high sensitiveness and complications, however, militate against its common use.
Magnification and registration of the motion is effected in the following way.
In this case the image is formed without secondary magnification and the focal length is 25 ft.
The problem of finding a system which reproduces a given object upon a given plane with given magnification (in so far as aberrations must be taken into account) could be dealt with by means of the approximation theory; in most cases, however, the analytical difficulties are too great.
As a rule large magnification is not demanded from the former, but a larger field of view, whilst the simple microscope should ensure powerful magnification even when the field is small.
By altering the distance of the collective and dispersive members the magnification can be widely varied.
But even with such moderate magnification as these instruments permitted many faults were apparent.
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."
Nothing is altered as to objective magnification, however, as the first surface is plane, and the employment of the immersion means that the value of f l ' 'is unaltered.
To obtain the magnification of the complete microscope we must combine the objective magnification M with the action of the eyepiece.
The magnification is also expressed as the ratio of the apparent size of the object observed through the microscope to the apparent size of the object seen with the naked eye.
If this value of y be inserted in equation (5), we obtain the magnification number of the compound microscope N =tan w"/ tan w =Ol/f i 'f 2 ' =Vl.
As with the simple microscope, different observers see differently in the same compound microscope; and hence the magnification varies with the power of accommodation.
Even if the details can be recognized with an apparent magnification of 2', the observation may still be inconvenient.
This may be improved when the magnification is so increased that the angle under which the object, when still just recognizable, is raised to 4'.
If the magnification is below the given numbers, the details can either not be seen at all, or only very indistinctly; if, on the contrary, the given magnification is increased, there will still be no more details visible.
If the magnification be greater than the resolving power demands, the observation is not only needlessly made more difficult, but the entrance pupil is diminished, and with it a very considerable decrease of clearness, for with an objective of a certain aperture the size of the exit pupil depends upon the magnification.
Even in apochromats it is not possible to entirely remove the chromatic difference of magnification, i.e.
Since, however, the difference of chromatic magnification cannot be overcome in powerful objectives, this error is still further increased by the eyepiece.
These eyepieces are intentionally provided with a different chromatic magnification, which however is in opposition to that originating in the objective.
By multiplying the magnification of the objective by the number .t .
If the objects have a low reflecting power, or if a slightly higher magnification is needed, the lighting can be improved by optical system.
To keep up this degree of exactitude the magnification of the objective must be carefully ascertained, e.g.
Whiskers This first image of the ' Whiskers ' slide was taken at 25x magnification using crossed polar filters.
You can take 8x magnification with you wherever you go and whatever you do.
Hasselblad view magnifiers are a valuable accessory that facilitates accurate focusing by providing 2x magnification of the central part of the focusing screen.
Since there is no eyepiece, there can be no optical magnification as such.
Magnification bars should be given on electron and light micrographs.
While, however, the magnification of the individual zones is the same, it is not the same for red as for Blue; And There Is A Chromatic Difference Of Magnification.
A X Jo magnification is, however, by no means guaranteed to a myopic eye of - io D by a lens of i in.
With increasing magnification the depth of definition diminishes, because the circles of confusion are greater in consequence of the shorter focall length.
When the pupil regulates the aperture of the rays producing the image the aberrations of the ordinary lenses increase considerably with the magnification, or, what amounts to the same thing, with the increase in the curvature of the surfaces.
The Wilson has a greater distance between the lenses, and also a reduction of the chromatic difference of magnification, but compared with the Fraunhofer it is at a disadvantage with regard to the size of the free working distance, i.e.
Although we now know how the errors of lenses may be corrected, and how the simple microscope may be improved, this instrument remains with relatively feeble magnification, and to obtain stronger magnifications the compound form is necessary.
The convenient and rapid change in the magnification obtained by changing the eyepiece or the objective is also a special advantage of the compound form.
The Fraunhofer formula permits the determination of the most useful magnification of such an objective in order to utilize its full resolving power.
The motion of the rod consequent to a motion of the case is modified by the projecting axle of the stationary mass, and after much magnification is recorded on a sheet of smoked paper.
The magnification, resulting from the simple microscope of i in.
As powerful achromatic objectives show differences of chromatic magnification in the same way as apochromats, compensation eyepieces can be used in combination with these objectives.
The more distant this is from the pendulum the greater is the magnification of the angular movements of the mirror.
By making very thin sections and employing high magnification (1000-1200 diameters), Renault has been enabled to detect numerous forms of bacilli in the woody parts preserved in coal, one of which, Micrococcus carbo, bears a strong resemblance to the living Cladothrix found in trees buried in peat bogs.
The steady mass, however, is much larger, being too kilos (or 220 Ib); the magnification is from 80 to loo; and the registration is effected on a roll of smoked paper.
A microscope objective being made in essentially the same way as a simple microscope, and the front focus of the compound system being situated before the front focus of the objective, the magnification due to the simple system makes the free object distance greater than that obtained with a simple microscope of equal magnification.
In this case the optical tube length may be altered within fixed limits without spoiling the image; at the same time the objective magnification M is also altered.
If we replace y' in equation (4) by the value given by (3), we obtain tan w"/ y i/f2"=V, (5) the magnification of the complete microscope.