Compact photographic camera lens system having a short overall l

Details Compact photographic camera lens system having a short overall l Compact photographic camera lens system having a short overall l

1980-10-16

1982-11-16

Corbin, John K.

350469, G02B 1122, G02B 1318

Patent

active

043592716

ABSTRACT:
A compact photographic camera lens system having a short overall length, favorably corrected aberrations, especially off axial aberrations and a field angle of at least 63.degree. comprising a first positive meniscus lens component having a convex surface on the object side, a second bisconcave lens component, a third biconvex lens component and a fourth negative meniscus lens component, said fourth lens component having aspherical surfaces on both the sides.

REFERENCES:
patent: 3951523 (1976-04-01), Nishimoto
patent: 3998527 (1976-12-01), Ikeda et al.

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