View finder having a light emitting device

Details View finder having a light emitting device View finder having a light emitting device

1991-04-19

1993-06-08

Perkey, W. B.

354471, 354476, 354219, G03B 7099, G03B 1304

Patent

active

052183963

ABSTRACT:
A view finder in which an image formed by an objective optical system is observed through an eyepiece optical system comprising a half mirror for deflecting a light path from the objective optical system toward the eyepiece optical system, which is located behind an image forming position of the objective optical system. A light emitting device is provided, which defines a bright indicating area in the field of view of the view finder when the light emitting device is energized. The light emitting device is disposed behind the half mirror as viewed from the eyepiece optical system side.

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patent: 4949118 (1990-08-01), Yamamoto et al.
"Camera", 1968, No. 7, p. 46.
French Search Report and Annex.

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