High-resolution manual zoom camera lens and control method thereof
A camera lens and high-resolution technology, applied in the field of high-resolution manual zoom camera lens and its control, can solve the problems of inconvenient observation and achieve the effect of compact structure, accurate precision and large field of view
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[0021] The high-resolution manual zoom camera lens of the present invention, in the optical system of the lens, the front group A with negative focal power, the rear group B with positive focal power and the front group A with positive The variable diaphragm C between the group A and the rear group B; the front group A is composed of a glued sheet composed of negative crescent lens A-1, biconcave lens A-2 and biconvex lens A-3 arranged in sequence, so The latter group B is the first rear cemented group composed of biconvex lens B-1, positive crescent lens B-2, biconvex lens B-3, biconvex lens B-4 and biconcave lens B-5 arranged in sequence , and the second rear glued group composed of biconvex lens B-6 and positive crescent lens B-7, and the front part of the lens is provided with a focusing wheel.
[0022] Further, the air gap between the negative crescent lens A-1 and the biconcave lens A-2 in the above-mentioned front group A is: 4.67mm, and the double-convex lens B-1 in th...
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