Parallax correcting apparatus of a real image type of viewfinder

Details Parallax correcting apparatus of a real image type of viewfinder Parallax correcting apparatus of a real image type of viewfinder

1995-10-05

1996-10-08

Mathews, A. A.

Photography

With viewfinder

Parallax correction

359872, 396386, G03B 1314

Patent

active

055636713

ABSTRACT:
A parallax correcting apparatus of a viewfinder that includes a roof mirror which is provided within the viewfinder. The roof mirror includes a pair of reflecting surfaces which are perpendicular to one another. The parallax correcting device includes a path which includes an optical axis of the viewfinder so that incident light is introduced to one of the reflecting surfaces. The parallax correcting apparatus is provided with an adjusting device to adjust the position of the roof mirror in a direction perpendicular to an optical axis such that the parallax effects are minimized or substantially eliminated.

REFERENCES:
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patent: 4978199 (1990-12-01), Mukai et al.
patent: 5130855 (1992-07-01), Mukai et al.
patent: 5258792 (1993-11-01), Suzuki et al.
patent: 5270758 (1993-12-01), Morooka
patent: 5345287 (1994-09-01), Taguchi
patent: 5452034 (1995-09-01), Ichikawa et al.
patent: 5481324 (1996-01-01), Sekine

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