Optical: systems and elements – Prism – With reflecting surface
Patent
1992-12-31
1994-03-08
Hayes, Monroe H.
Optical: systems and elements
Prism
With reflecting surface
35419512, 354286, 359695, 359700, 359701, G03B 1302
Patent
active
052931927
ABSTRACT:
A camera of the present invention comprises a stationary frame adjustable in position with respect to a camera body in the direction of an optical axis; a cam frame disposed around an outer circumference of the stationary frame to be rotatable about the optical axis and movable in a direction of the optical axis with respect to the stationary frame; a finder optical system provided on the camera body; and a finder optical system driving cam provided integrally with the cam frame for driving the finder optical system. In-focus position adjustment of a photographing optical system of the camera is performed during assembly by moving only the stationary frame in the direction of the optical axis, while the cam frame is kept immobile with respect to the camera body.
REFERENCES:
patent: 4281907 (1981-08-01), Kamata
patent: 4945372 (1990-03-01), Higuchi et al.
Akitake Hiroshi
Hayashi Shigeo
Satoh Kazuhiro
Hayes Monroe H.
Olympus Optical Co,. Ltd.
Weinstein Louis
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