LENS APPARATUS FOR INSPECTING OBJECT AND MACHINE VISION SYSTEM INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Jul 27, 2012
filing date -
Dec 8, 2011
priority date (Note) -
Abandoned
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Abstract
Provided are a lens apparatus and a machine vision system including the lens apparatus. The lens apparatus includes: a first lens group and a second lens group which are designed to use a wavelength of light of a first single color as a reference wavelength and disposed on opposite sides of an aperture; and a converter lens group which is disposed at an object side of the first lens group, wherein the converter lens group performs selectively at least one of a first conversion for converting a magnification, and a second conversion for converting the reference wavelength.
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