View finder optical system

Details View finder optical system View finder optical system

1976-11-15

1977-12-13

Gonzales, John

354155, 354201, 350286, G03B 1308

Patent

active

040632610

ABSTRACT:
A view finder optical system suitable for use in a single or twin lens reflex camera, using an image erecting-and-reflecting optical element. This optical element functions to change the image to be photographed appearing on the focusing plate of the camera to an erect real image which stands at a proper distance from the eyepiece of the camera. This makes it possible to increase the magnification of the view finder as much as required simply by using a short focal length eyepiece.

REFERENCES:
patent: 2323005 (1943-06-01), Bertele

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