Metering device of a single lens reflex camera

Details Metering device of a single lens reflex camera Metering device of a single lens reflex camera

1982-04-22

1984-04-17

Gellner, Michael L.

354 56, G03B 7099

Patent

active

044430817

ABSTRACT:
A plate-like optical element is disposed at the bottom of the dark chamber of a single lens reflex camera. This plate-like optical element receives the light from a mirror obliquely disposed on the optical axis of a picture-taking lens, or a shutter curtain or a film surface. The plate-like optical element causes this light to travel in a direction along the bottom and enter a light receiving element.

REFERENCES:
patent: 3464337 (1969-09-01), Trankner
patent: 4075640 (1978-02-01), Ueda et al.
patent: 4348088 (1982-09-01), Yamamichi et al.

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