发明名称 Automatic light adjustment camera and exchangable lenses therefor
摘要 An automatic light adjustment camera comprises a flash apparatus capable of performing preliminary flash emission and main flash emission; a photometric device for dividing the light beam emitted from the flash apparatus and reflected by a field into a plurality of photometric areas for photometry and outputting each photometric value; a light adjusting area determining device for determining the photometric areas which are allowed to contribute to light adjustment at the time of the main flash emission using the photometric values, photographing distances, and detection errors for the photographing distances at the time of preliminary flash emission; and a light adjusting device for performing light adjustment at the time of the main flash emission using the light adjusting areas determined by the light adjusting area determining device.
申请公布号 US5231447(A) 申请公布日期 1993.07.27
申请号 US19920898324 申请日期 1992.06.15
申请人 NIKON CORPORATION 发明人 TAKAGI, TADAO
分类号 G03B7/099;G03B7/16;G03B7/28;G03B15/05 主分类号 G03B7/099
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