Light leakage preventing device for reflex cameras

Details Light leakage preventing device for reflex cameras Light leakage preventing device for reflex cameras

1981-05-18

1982-08-31

Griffin, Donald A.

G03B 1912

Patent

active

043469744

ABSTRACT:
A light leakage preventing device for reflex cameras wherein a flexible light intercepting member is provided between the upper edge of a reflecting mirror and the vertical wall of a mirror box and a light intercepting member which can be brought to a light intercepting position in association with the movement of the reflecting mirror is provided between the lower edge of the reflecting mirror and the bottom wall of the mirror box so that, when the reflecting mirror is in a position in which it can conduct a light from an object to be photographed to a view finder, the light leakage from the upper edge and lower edge of the reflecting mirror to a film can be positively prevented.

REFERENCES:
patent: 1221304 (1917-04-01), Folmer
patent: 2916978 (1959-12-01), Harter et al.
patent: 3675557 (1972-07-01), Yokozato et al.
patent: 3720149 (1973-03-01), Ishizaka et al.

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