发明名称 FOCUS DETECTOR
摘要 PROBLEM TO BE SOLVED: To calculate the most suitable exposure value even in the case that a part of an image sensor output overflows by utilizing the output of a focus detecting image sensor for light measurement. SOLUTION: A range of photoelectric transducers which should be used for photometric value calculation, out of a plurality of photoelectric transducers of the image sensor is determined in accordance with the output signal of the image sensor, and a photometric value is calculated on the basis of outputs of photoelectric transducers within the range. Thus a range of photoelectric transducers of which the picture signals have overflowed can be excluded, and the output of the focus detecting image sensor is utilized for light measurement to calculate the most suitable exposure value.
申请公布号 JP2003140024(A) 申请公布日期 2003.05.14
申请号 JP20010333833 申请日期 2001.10.31
申请人 NIKON CORP 发明人 AOYANAGI HIDEHIKO
分类号 G03B13/36;G02B7/28;G02B7/36;(IPC1-7):G02B7/28 主分类号 G03B13/36
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