1990-09-10
1991-05-14
Hix, L. T.
35428912, 354295, G03B 1702
Patent
active
050160346
ABSTRACT:
In a camera system of the present invention, two kinds of units which set picture factors for a camera, such as shutter speed and ISO value, can be selectively attached to the camera: one type mechanically sets the picture factors in a continuous operation; and the other type electrically sets the picture factors in a button operation. According to the above-mentioned composition, the camera system can be used as what is called a mechanical camera and as what is called a button type camera by exchanging the units. Thus, the camera system of the present invention can answer needs of a wide range.
REFERENCES:
patent: 4710008 (1987-12-01), Tosaka et al.
patent: 4952959 (1990-08-01), Taniguchi et al.
patent: 4958181 (1990-09-01), Ishikawa et al.
Hix L. T,.
Nguyen Le
Nikon Corporation
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