Pick-up lens for high-resolution single group movement industry
A high-resolution, camera lens technology, applied in installation, optics, instruments, etc., can solve the problems of video clarity, that is, resolution reduction, low performance index of fixed-focus lens, general shooting effect, etc., to achieve compact structure and high resolution. High, precise and accurate results
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[0017] like figure 1 As shown, the optical path design of the present invention is as follows: a high-resolution single-group mobile industrial camera lens, the optical system of the lens is sequentially provided with a front group A with a negative focal power along the incident direction of the light from left to right , a variable diaphragm C and a rear group B with positive refractive power, the front group A is sequentially provided with a positive crescent lens A-1, a positive crescent lens A-2 and a negative crescent lens A-3, and the rear group A B is sequentially provided with a cemented group consisting of a biconcave lens B-1 and a biconvex lens B-2, a biconvex lens B-3 and a positive crescent lens B-4.
[0018] In this embodiment, the air gap between the front group A and the rear group B is 4.9179 mm, the air gap between the front group A and the variable diaphragm C is 2.5105 mm, and the variable diaphragm The air gap between C and the rear group B is 2.4074mm; ...
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