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telecentric optics

telcentric optics are useful for dimension measure.

contact network

dtl1108

constant illumination
low distortion
long working  distance

image circle

20 mm

magnification

-1.0

NA image

0.08

working distance

150 mm

interface

M42 / c-mount

MTF @ 30, 70, 100 lp/mm

dtl1108 by JCOP

relative illumination

dtl1108 by JCOP

F-Tan distortion

dtl1108 by JCOP

illumination

complex design of telecentric systems needs to pay special attention on homgogenious illumination. Well designed systems illumination stayes contsant over the hole diameter of the image circle.