Photographic lens system

Details Photographic lens system Photographic lens system

1978-03-02

1980-07-15

Sacher, Paul A.

G02B 960

Patent

active

042125170

ABSTRACT:
A photographic lens system of modified Gauss type comprising a first, second, third fourth and fifth lens components in which the first and second lens components are positive meniscus lenses arranged convex toward the object side, the third lens component is a negative meniscus lens arranged convex toward the object side, the fourth lens component is a negative cemented meniscus doublet comprising a biconcave lens and biconvex lens, the fifth lens component is a biconvex lens, the photographic lens system being compact and light in weight and having a long back focal length and aberrations corrected favorably.

REFERENCES:
patent: 2735340 (1956-02-01), Aklin

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