Focus detecting device

Details Focus detecting device Focus detecting device

1984-03-15

1985-10-08

Perkey, William B.

354403, 354409, 354443, G03B 300

Patent

active

045456658

ABSTRACT:
A focus detecting device for a camera adjusts its accuracy according to a selected one of available photographic modes, such as a panning mode using a shutter preference arrangement, a snap-shot mode using a normal combination of shutter time and an aperture value, or a portrait mode using an aperture preference arrangement.

REFERENCES:
patent: 4157217 (1979-06-01), Isono
patent: 4246476 (1981-01-01), Stauffer
patent: 4344679 (1982-08-01), Yagi et al.
patent: 4387975 (1983-06-01), Araki
patent: 4470676 (1984-09-01), Kinoshita et al.

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