发明名称 IMAGING APPARATUS AND METHOD FOR CONTROLLING DIAPHRAGM
摘要 <P>PROBLEM TO BE SOLVED: To perform good diaphragm control for preventing the reduction in image quality according to the amount of incident light. <P>SOLUTION: An imaging apparatus determines a maximum opening value of a diaphragm which is used for diaphragm control, based on information on the focal length and information on the amount of incident light. In the case of focal length being equal, the maximum opening value is relatively increased in a state where the amount of incident light is smaller than in a state where the amount of incident light is larger. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013104961(A) 申请公布日期 2013.05.30
申请号 JP20110247567 申请日期 2011.11.11
申请人 CANON INC 发明人 MAEDA MUNEKATSU
分类号 G03B7/095;H04N5/232;H04N5/238 主分类号 G03B7/095
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