Optical system for use in single lens reflex cameras

Details Optical system for use in single lens reflex cameras Optical system for use in single lens reflex cameras

1980-03-26

1983-06-14

Corbin, John K.

354224, G02B 1500

Patent

active

043879675

ABSTRACT:
An optical system for a viewfinder camera is provided. The objective lens system is divided into at least two separate lens groups. The first lens group provides an insufficient correction to aberration while the second lens group is designed specifically to correct the aberration transmitted through the first lens group. The complimentary viewfinder system is also likewise designed to correct the same aberration as the second lens group.

REFERENCES:
patent: 2913957 (1959-11-01), Back
patent: 3011403 (1961-12-01), Dlutzik

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