Technique suited for use in multi-zone autofocusing cameras for

Details Technique suited for use in multi-zone autofocusing cameras for Technique suited for use in multi-zone autofocusing cameras for

1992-11-03

1994-05-10

Adams, Russell E.

354412, 354441, 354105, G03B 1336, G03B 708

Patent

active

053112407

ABSTRACT:
Exposure control apparatus, and various accompanying methods, for use in a photographic camera for improving the overall quality of photographed images, i.e. increasing the number of acceptable and higher quality images, that are produced by the camera for user-selected non-standard display sizes and/or different focal length photographing modes over that obtainable by adherence to ISO/ANSI exposure standards. The quality improvement is attained through user selection of a desired display size and/or focal length photographing mode for each image to be captured followed by an optimization, for that size and mode, of various photographic exposure parameters (exposure settings and, where appropriate, flash parameters). The invention violates the ISO/ANSI exposure standards where necessary to improve image quality, for the desired display size and focal length photographing mode, beyond that which would result from adherence to these standards.

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