Photography – With object illumination for exposure – Having preexposure illumination
Patent
1995-06-07
1998-02-10
Perkey, W. B.
Photography
With object illumination for exposure
Having preexposure illumination
396264, G03B 1505, G03B 1740
Patent
active
057179638
ABSTRACT:
A camera capable of operating in a red-eye prevention mode. The camera has an electronic flash device which is activated by a drive circuit in synchronization with the exposure. The electronic flash device also serve as a pre-light-emission device capable of performing pre-light-emission for the purpose of preventing red-eye effect. When it is judged from the photographing condition that red-eye effect may occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of a person to be photographed, before the main flashing which is executed in synchronization with the exposure.
REFERENCES:
patent: 4285588 (1981-08-01), Mir
patent: 4626093 (1986-12-01), Matsui et al.
patent: 4657367 (1987-04-01), Kataoka
patent: 5134433 (1992-07-01), Takami et al.
Inoue Hideya
Kato Minoru
Kotani Noriyasu
Machida Kiyosada
Tsukahara Daiki
Nikon Corporation
Perkey W. B.
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