1993-11-12
1996-08-20
Hayes, Monroe H.
3542891, 354224, G03B 1302
Patent
active
055483658
ABSTRACT:
A view finder of a camera, in which images of indication marks are observed through an eyepiece lens in a peripheral light intercepting portion of a field frame of a finder optical system. The view finder includes indicating members provided outside the field frame of the finder optical system. The indicating members have indication marks formed thereon for projection of the images of indication marks. The view finder further includes prisms which are located closer to the eyepiece of the view finder than the indicating members. The prisms have apexes protruding towards an optical axis of the finder optical system, such that light emitted from the indicating members is transmitted through the apexes of the prisms in order to shift the images of the indication marks closer towards the optical axis of the finder optical system.
REFERENCES:
patent: 4171896 (1979-10-01), Sato et al.
patent: 4348091 (1982-09-01), Iizuka
patent: 4716429 (1987-12-01), Misawa
patent: 4944030 (1990-07-01), Haraguchi et al.
patent: 4977425 (1990-12-01), Yamamoto et al.
Asahi Kogaku Kogyo Kabushiki Kaisha
Hayes Monroe H.
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