Exposure controller for use in a camera

Details Exposure controller for use in a camera Exposure controller for use in a camera

1998-06-04

1999-12-07

Adams, Russell

Photography

Exposure control circuit

396170, 396227, 396235, G03B 700

Patent

active

059997524

ABSTRACT:
An exposure controller for use in a photographing apparatus including a flash, includes a diaphragm having a changeable opening to adjust the amount of light reaching a photosensitive medium from a lens optical system, a diaphragm control unit for changing the opening of the diaphragm during the time when a shutter is being opened, and a flash control unit for firing the flash at a predetermined time during the time when the shutter is being opened. This exposure controller enables photography having apodization effect.

REFERENCES:
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patent: 4929977 (1990-05-01), Ishikawa et al.
patent: 4972217 (1990-11-01), Gaewsky
patent: 4984003 (1991-01-01), Matsumoto et al.
patent: 5014082 (1991-05-01), Farrington
patent: 5140362 (1992-08-01), Morino et al.
patent: 5172158 (1992-12-01), Morino et al.
patent: 5245380 (1993-09-01), Yang

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