Camera optical system having nonphotographic lens formed integra

Details Camera optical system having nonphotographic lens formed integra Camera optical system having nonphotographic lens formed integra

1999-05-12

2000-11-28

Perkey, W. B.

Photography

With exposure objective focusing means, focusing aid, or...

Having auxiliary illumination

396268, 396382, G03B 1306, G03B 1336, G03B 799

Patent

active

061546143

ABSTRACT:
A camera optical system has a photographic optical system and a finder optical system. The photographic optical system has a photographic lens section that receives an optical image from a subject to be photographed and forms an image on a film. The finder optical system has a nonphotographic lens provided integrally with the photographic lens section of the photographic optical system.

REFERENCES:
patent: 3180218 (1965-04-01), Durst
patent: 4394077 (1983-07-01), Yoshino et al.
patent: 4682886 (1987-07-01), Toyama et al.
patent: 5438386 (1995-08-01), Chao

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