Photography – Having camera indicator – Nonmechanical visual display
Patent
1996-03-27
1997-11-11
Metjahic, Safet
Photography
Having camera indicator
Nonmechanical visual display
396121, 396 80, 396287, G03B 1700, G03B 300, G03B 1318
Patent
active
056874090
ABSTRACT:
A display device for a camera to accurately display distance information and depth of field information. The camera includes a focusing control device to drive a photographic optical system to an in-focus position in relation to a photographic subject. A distance region identification device identifies a distance region to which the photographic subject belongs from among a plurality of predetermined distance regions into which the photographic distance range which can be achieved by photographic optical systems has been divided, according to information derived by a focus control operation by the focusing control device. A distance information display modifies the display conditions of one part of a display having multiple display segments to indicate one part of the photographic distance range which can be achieved by the photographic optical systems. The distance region identification device can set the number of divisions of the distance region to an integer multiple of the number of display segments of the distance information display device. A depth of field for the photographic subject is computed based on the photographic distance and the computed depth of field is displayed on a group of display segments corresponding to the depth of field.
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Dalakis Michael
Metjahic Safet
Nikon Corporation
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