Focus detecting device and photographing apparatus provided with

Details Focus detecting device and photographing apparatus provided with Focus detecting device and photographing apparatus provided with

1989-10-20

1990-11-27

Gellner, Michael L.

354404, G03B 310

Patent

active

049740091

ABSTRACT:
A focus detecting device and a photographic apparatus provided with such a device has an apparatus for setting optic axes thereof with a base length therebetween, and for photoelectrically detecting a focus state thereof, at least one of the optic axes being bent, or reflected, by a fixed reflecting surface, and a focus detection component disposed along the bent optic axis and movable, during a focus detection operation, in a direction intersecting the bent axis.

REFERENCES:
patent: 4104517 (1978-08-01), Mesch et al.
patent: 4123650 (1978-10-01), Hosoe et al.
patent: 4147417 (1979-04-01), Mandler
patent: 4230400 (1980-10-01), Wick et al.
patent: 4417795 (1983-11-01), Tamura et al.
patent: 4550995 (1985-11-01), Toyama
patent: 4641022 (1987-02-01), Suzuki

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