1975-04-21
1976-06-15
Sacher, Paul A.
350176, G02B 962
Patent
active
039633250
ABSTRACT:
A wide angle lens system comprising six lens components constituted by six lens elements wherein the first lens is a negative meniscus lens convex to the object, the second lens is a positive lens, the third lens is a positive lens, the fourth lens is a biconcave negative lens, the fifth lens is a positive meniscus lens convex to the image and the sixth lens is a positive lens, wherein the following conditions are satisfied;
REFERENCES:
patent: 3037426 (1962-06-01), Hugues
Asahi Kogaku Kogyo Kabushiki Kaisha
Sacher Paul A.
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