High speed objective lens system with an aspheric surface

Details High speed objective lens system with an aspheric surface High speed objective lens system with an aspheric surface

1982-12-03

1985-04-30

Corbin, John K.

350432, G02B 960

Patent

active

045140529

ABSTRACT:
A Gauss type objective lens system with a high speed of F1.2 for 35 mm SLR cameras is provided. The lens system consists of seven lenses, the object side surface of the second lens being aspheric, and fulfills the following conditions:

REFERENCES:
patent: 3459468 (1969-08-01), Marx et al.

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