发明名称 Photometric device for pseudo format camera
摘要 A photometric device for a pseudo format camera capable of performing trimming photography includes, a trimming data setting unit which sets trimming data. A light-receiving unit consists of a plurality of light-receiving portions for splitting an objective field into a plurality of regions and obtaining luminance data of the plurality of regions. An arithmetic unit calculates a photometric value using the plurality of luminance data. The computing unit includes a correction circuit for substantially correcting luminance data of only a specific region in accordance with trimming data from the trimming data setting unit.
申请公布号 US4855780(A) 申请公布日期 1989.08.08
申请号 US19880195820 申请日期 1988.05.19
申请人 CANON KABUSHIKI KAISHA 发明人 HAYAKAWA, SHINGO
分类号 G03B7/081;G03B7/099 主分类号 G03B7/081
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