Flash photographing apparatus

Details Flash photographing apparatus Flash photographing apparatus

Filed on

1986-10-14

Date issued

1987-11-10

Examiner

Gellner, Michael L.

Other Related Categories

354402, 354416, 354432, 354460, G03B 7097, G03B 7099, G03B 728, G03B 1505

Type

Patent

Status

active

Patent number

047053828

Description

ABSTRACT:
A flash photographing apparatus, including a camera and an electronic flash device, comprises a plurality of photoelectric elements for measuring brightness of a main and sub objects to be photographed. A diaphragm aperture value and shutter speed value of the camera are controlled according to the brightness of the sub object. A quantity of flash light emission is controlled according to a difference between the brightness information of the main and sub objects.

REFERENCES:
patent: 4285584 (1981-08-01), Canter
patent: 4429969 (1984-02-01), Saegusa

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