View finder in single-lens reflex camera

Details View finder in single-lens reflex camera View finder in single-lens reflex camera

1990-06-26

1991-08-20

Gellner, Michael L.

G03B 1912

Patent

active

050418548

ABSTRACT:
A view finder of a single-lens reflex camera is provided with an upper cover, in which an image of an object transmitted through a photographing lens is visible. The viewfinder image is reflected by a first mirror formed on a focusing plate, is made incident upon roof reflecting surfaces perpendicular to each other, and is made incident on a third reflecting surface, so as to be made incident upon a magnifying glass. The roof reflecting surfaces are formed directly onto the inner surface of the upper cover of the single-lens reflex camera. The third reflecting surface is a member which is separate from the upper cover and is adhered to the upper cover.

REFERENCES:
patent: 3590683 (1971-07-01), Hiruma
patent: 3620147 (1971-11-01), Ataka et al.
patent: 4206991 (1980-06-01), Kobori et al.

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