Viewfinder of a camera

Details Viewfinder of a camera Viewfinder of a camera

1998-02-11

1999-06-01

Adams, Russell

Photography

With exposure objective focusing means, focusing aid, or...

Having viewfinder

396111, 396147, 396152, G03B 1302

Patent

active

059095970

ABSTRACT:
A viewfinder of a camera having a multi-point type auto-focus function, in which a photographing lens can be focused on one of a plurality of objects in a plurality of focus detection zones within the field of view, when viewed through a viewfinder, includes a focusing plate which is provided with a plurality of split-image prisms corresponding to the focus detection zones within the finder field of view.

REFERENCES:
patent: 4338012 (1982-07-01), Matsumura et al.
patent: 4384762 (1983-05-01), Fujibayashi et al.
patent: 4745426 (1988-05-01), Suda et al.
patent: 4994843 (1991-02-01), Kitazawa
patent: 5212514 (1993-05-01), Goto

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