发明名称 Image pickup apparatus and interchangeable lens
摘要 An image pickup apparatus 100 includes a memory 52 that stores information on an object distance obtained from an interchangeable lens 220 mounted on the image pickup apparatus and a memory controller 50 that retains the information on the object distance in the memory also after the interchangeable lens is removed from the image pickup apparatus. The image pickup apparatus of a changing-lenses type in which an object in-focus at a same distance can be obtained in a short time when lenses are changed is provided.
申请公布号 US7868943(B2) 申请公布日期 2011.01.11
申请号 US20080131520 申请日期 2008.06.02
申请人 CANON KABUSHIKI KAISHA 发明人 YAMAMOTO YUJI
分类号 G03B13/00 主分类号 G03B13/00
代理机构 代理人
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