Small size retrofocus wide angle photographic lens

Details Small size retrofocus wide angle photographic lens Small size retrofocus wide angle photographic lens

1976-05-19

1977-12-13

Sacher, Paul A.

350176, 350177, 350207, G02B 964, G02B 100

Patent

active

040626229

ABSTRACT:
A small size, wide angle, retrofocus photographic lens is disclosed consisting of eight lens elements. The lens has a relative aperature of 1:4.0 and a field angle of 94.degree..

REFERENCES:
patent: 3512874 (1970-05-01), Woltche
patent: 3740120 (1973-06-01), Ruhl
patent: 3975091 (1976-08-01), Yasuo
patent: 3992086 (1976-11-01), Yamashita

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