发明名称 Focus detecting device
摘要 A focus detecting device which is of the kind having a plurality of focus detecting areas and detecting focus by selecting a desired area from among the focus detecting areas is arranged such that the desired focus detecting area is selected by operating an operation member to shift the selecting position from one area to another one by one in a first mode and at intervals of a plurality of areas in a second mode, so that the focus detecting area can be speedily selected.
申请公布号 US5950022(A) 申请公布日期 1999.09.07
申请号 US19970887903 申请日期 1997.07.08
申请人 CANON KABUSHIKI KAISHA 发明人 HAGIWARA, SHINICHI
分类号 G03B13/36;G02B7/28;G02B7/34;(IPC1-7):G03B13/36 主分类号 G03B13/36
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