Automatic focus detecting camera

Details Automatic focus detecting camera Automatic focus detecting camera

1986-09-12

1988-03-29

Perkey, W. B.

354446, 354266, G03B 300, G03B 700, G03B 1738

Patent

active

047347309

ABSTRACT:
In an automatic focus detecting camera of the present invention, a light measuring circuit performs light measuring operation when a light measuring switch is closed, so that an automatic focus controller performs automatic focus detecting and controlling operation. If an in-focus condition is detected by the automatic focus controller when a preview switch is operated, preview control is started. If an in-focus condition is not detected, preview control is forbidden. Thus, automatic focus detecting operation and preview operation can be performed independent of a prescribed aperture value.

REFERENCES:
patent: Re31370 (1983-09-01), Mashimo et al.
patent: 4387975 (1983-06-01), Araki

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