Miniaturized airborne zoom lens with large zooming ratio
A large zoom ratio and zoom technology, applied in the field of miniaturized large zoom ratio airborne zoom lens, can solve the problems of high-precision camera mismatch, low resolution, small zoom ratio, etc., and achieve wide climate adaptation The effect of range, high resolution, and large zoom ratio
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[0015] The present invention will be further described below in conjunction with the drawings and embodiments.
[0016] reference figure 1 , A miniaturized and large zoom ratio airborne zoom lens, including a focusing mechanism and a zoom mechanism, characterized in that: the optical system of the lens is provided with positive refractive power along the incident direction of light from left to right. The front fixed group A, the zoom group B with negative refractive power, the compensation group C with negative refractive power, the variable diaphragm assembly D, the rear fixed group E with positive refractive power, and the color filter switching device F; The front fixed group A is sequentially provided with a first cemented group, a positive crescent lens A-3 and a positive crescent lens A-4, which are closely connected by a negative crescent lens A-1 and a double convex lens A-2; the zoom group B is provided with a second cemented group consisting of a double-concave lens B-...
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