VARIABLE WORKING DISTANCE MICROSCOPE
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United States of America Patent
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Jun 15, 2017
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Jul 12, 2016
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Abstract
A system and method for a variable working distance microscope is disclosed. The variable working distance microscope includes an eyepiece; a binocular system optically coupled to the eyepiece; a stereo zoom system optically coupled to the eyepiece and the binocular system; and a variable working distance lens system optically coupled to the eyepiece, the stereo zoom system, and the binocular system. The variable working distance lens system includes a first lens; a second lens positioned in series with the first lens; and a movable third lens positioned in series between the first and second lenses, the movable third lens configured such that a change in a distance between the moveable third lens and the first lens changes a working distance of a microscope.
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