Low-distortion high-resolution day and night dual-purpose miniature pick-up lens
A high-resolution, miniature camera technology, applied in the field of lenses, which can solve the problems of narrow spectral range, large picture difference, large image distortion, etc., and achieve uniform illumination and excellent aberration correction effect.
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[0012] refer to figure 1 with figure 2 , the present invention relates to a low-distortion, high-resolution, day-and-night dual-purpose miniature camera lens. Along the incident direction of light from left to right, a front group A with a negative focal power and a rear group B with a positive focal power are arranged respectively. Group A is composed of negative crescent lens A-1, biconvex lens A-2 and plano-concave lens A-3; the rear group B is composed of biconvex lens B-1 and biconcave lens B-2 closely bonded group, negative crescent lens B -3. It is composed of a glued set of negative crescent lens B-4 and biconvex lens B-5 in close contact.
[0013] The air gap between the above-mentioned front group A and the rear group B is: 4.11mm, the air gap between the negative crescent lens A-1 and the biconvex lens A-2 is 0.79mm, and the biconvex lens A-2 and the plano-concave lens The air gap of A-3 is 0.1mm, and the air gap between the double-convex lens B-1 and the bi-conc...
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