Parallax adjusting mechanism for a finder device

Details Parallax adjusting mechanism for a finder device Parallax adjusting mechanism for a finder device

1988-12-09

1990-11-13

Henry, Jon W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350569, 350567, 350570, 350247, 350252, 354221, 354225, 358224, G03B 1314, G03B 1306, G02B 2314, G02B 702

Patent

active

049697234

ABSTRACT:
In an external-measured real image type finder optical system having a prism for a non-reverse erecting image interposed in between an objective lens system and an eyepiece lens system, parallax correction is accomplished by adjusting the position of at least a part of the objective lens system within a plane perpendicular to the optical axis of the finder optical system.

REFERENCES:
patent: 1358721 (1920-11-01), Fujii
patent: 3011403 (1961-12-01), Dlutzik
patent: 3222987 (1965-12-01), Wrigglesworth
patent: 3719132 (1973-03-01), Urano
patent: 3774994 (1973-11-01), Urano
patent: 4526444 (1985-07-01), Fantone et al.
patent: 4763998 (1988-08-01), Tsuji et al.

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