Movable mirror arrangement for use in single lens reflex camera

Details Movable mirror arrangement for use in single lens reflex camera Movable mirror arrangement for use in single lens reflex camera

1982-06-21

1984-02-14

Perkey, William B.

354152, 354479, G03B 7099, G03B 1912

Patent

active

044312857

ABSTRACT:
A movable mirror arrangement for use in a single lens reflex camera, including a main mirror and an auxiliary mirror. The arrangement includes a pivotal shaft about which the auxiliary mirror is pivoted towards the main mirror at the time of photographing an object, a main mirror holder having an opening formed larger in size than the auxiliary mirror, and a masking plate for shielding, at the time of photographing the object, a clearance formed adjacent to the pivotal shaft of the auxiliary mirror between the auxiliary mirror and the opening.

REFERENCES:
patent: 3468233 (1969-09-01), Schmidt
patent: 4293209 (1981-10-01), Kurei

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