Camera with night photography apparatus

Details Camera with night photography apparatus Camera with night photography apparatus

1989-02-21

1990-06-12

Perkey, W. B.

354419, 354420, 354456, G03B 300, G03B 7093, G03B 1503

Patent

active

049337025

ABSTRACT:
A controller recognizes the requirement for taking a scenic picture when a scenic picture-taking button is operated to indicate that a scene to be photographed is at infinity rather than at the longest focusable distance of an automatic focusing device, and then sets a taking lens system at an infinity focusing lens position, overriding the automatic focusing device. At the same time, when the scene at infinity is darker than a predetermined brightness level, the controller sets a shutter to open for a predetermined night photography exposure time which is greater than the maximum exposure time that could be set by an automatic exposure control device. When taking a night photograph, light emission from a strobe is prevented.

REFERENCES:
patent: 3805278 (1974-04-01), Matsuzaki et al.
patent: 4500191 (1985-02-01), Yamanaka
patent: 4831404 (1989-05-01), Fujita et al.

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