Photographic lens system

Details Photographic lens system Photographic lens system

1981-07-15

1983-06-28

Corbin, John K.

350464, G02B 960, G02B 962

Patent

active

043902502

ABSTRACT:
A photographic lens system for use in a compact camera, having an angular field of view of 60.degree. to 70.degree. and aperture ratio of F/2.8 and comprising a first lens component of a positive meniscus lens with its convex surface on the object side, a second lens component of a biconcave lens, a third lens component consisting of a biconvex lens and a small power positive or negative lens located adjacent the biconcave lens with an air space and having a positive refracting power as a whole, a fourth lens component of a negative meniscus lens with its convex surface on the image side, and a fifth lens component of a positive meniscus lens with a convex surface on the image side.

REFERENCES:
patent: 4204747 (1980-05-01), Imai
patent: 4235521 (1980-11-01), Imai

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