Camera with automatic focusing device

Details Camera with automatic focusing device Camera with automatic focusing device

1990-05-18

1991-09-03

Perkey, W. B.

354412, 354443, 354446, G03B 7095, G03B 1336

Patent

active

050458752

ABSTRACT:
A camera having an automatic focusing device is arranged to inhibit the diaphragm aperture thereof from being controlled and set during the process of automatic focusing at any aperture value near to a full aperture value at which the focusing accuracy of the automatic focusing device is hardly warrantable, so that photographing can be carried out always in an in-focus condition.

REFERENCES:
patent: 4329034 (1982-05-01), Murakami et al.
patent: 4358188 (1982-11-01), Uchidoi et al.
patent: 4437744 (1984-03-01), Terui et al.
patent: 4593987 (1987-06-01), Takahashi et al.

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