Camera which sets shutter speed and lights display in accordance

Details Camera which sets shutter speed and lights display in accordance Camera which sets shutter speed and lights display in accordance

1995-06-30

1997-02-04

Mathews, A. A.

Photography

With object illumination for exposure

Exposure control circuit with illumination mode

396201, 396176, 396296, G03B 1505, G03B 1700

Patent

active

056003897

ABSTRACT:
A camera information setting device temporarily sets a shutter speed during flash photography. The original camera shutter speed is automatically recovered without further operation from the photographer. A first display is disposed within the viewfinder of the camera for displaying a warning if the camera shutter speed presents a risk of image blur due to camera shake and second display is disposed external to the camera for indicating that a flash device will limit the set shutter speed of the camera. The device cooperates with a removable flash device. A manual setting member performs a shutter speed setting which is then stored in a first memory unit. A first display unit and a second display perform display of the shutter speed. A change unit determines the presence or absence of the flash device, performs a change of the shutter speed and stores it to a second memory unit. When a change of the shutter speed is performed by the change unit, a shutter speed display is performed in the second display unit, based on the information stored in the second memory unit. A shutter speed display is also performed in the first display unit, based on the information which was stored in the first memory unit.

REFERENCES:
patent: 4518234 (1985-05-01), Kobayashi
patent: 4897685 (1990-01-01), Nishida
patent: 5023639 (1991-06-01), Ushiro et al.
patent: 5471370 (1995-11-01), Takami

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