Photography – With object illumination for exposure – Having preexposure illumination
Patent
1995-06-07
1996-10-08
Perkey, W. B.
Photography
With object illumination for exposure
Having preexposure illumination
G03B 1503
Patent
active
055636799
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 to 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: 4978989 (1990-12-01), Nakano et al.
patent: 4999663 (1991-03-01), Nakamura
patent: 5202720 (1993-04-01), Fujima et al.
patent: 5233374 (1993-08-01), Kanai et al.
Dobashi Toshio
Hara Masaharuo
Sasagaki Nobuaki
Sosa Toshio
Yokonuma Norikazu
Nikon Corporation
Perkey W. B.
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