Iris diaphragm sentence example

iris diaphragm
  • The iris diaphragm can be regulated by the lever p; it can also be turned to one side round the pivot z, so that the condenser k can be removed or changed.

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  • The iris diaphragm i is pushed to the side by the rack and pinion t n.

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  • It is best if the image of the light is not larger than the object examined, and to effect this, an illuminating lens with an iris diaphragm is often placed between the source of light and the illuminator.

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  • This can be attained by drawing the iris diaphragm so far as to form the entrance pupil.

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  • The double diaphragm is then in such a position that the edge of the outer diaphragm coincides with the edge of the iris diaphragm.

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  • Perhaps the easiest methods are to offset a partially closed condenser iris diaphragm or the image of the light source.

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  • An iris diaphragm controls the amount of light entering the eye.

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  • To center the condenser close down the iris diaphragm and remove the eyepiece.

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  • The substage condenser has an iris diaphragm and filter carrier.

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  • Open the substage iris diaphragm fully, since the condenser needs to be operating at maximum aperture.

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  • It is important that you fully open the contrast iris diaphragm.

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