Reflecting mirror device in a single lens reflex camera

Details Reflecting mirror device in a single lens reflex camera Reflecting mirror device in a single lens reflex camera

1979-10-15

1981-11-24

Gonzales, John

350172, 354201, G03B 1912

Patent

active

043020895

ABSTRACT:
This specification discloses a reflecting mirror device in a single lens reflex camera for receiving light passed through the picture-taking lens of the camera during finder observation, the reflecting mirror device reflecting said light and directing it to a finder optical system, while, at the same time, passing therethrough part of said light and directing it to the light-receiving portion of a metering system. The reflecting mirror device has a number of pin-holes irregularly arranged on the reflecting surface thereof.

REFERENCES:
patent: 2043292 (1936-06-01), Hillman
patent: 3332330 (1967-07-01), Broschke et al.
patent: 4081807 (1978-03-01), Urano et al.

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