发明名称 INTERCHANGEABLE LENS, LENS CAP, FRONT CAP AND ELASTIC RING
摘要 <P>PROBLEM TO BE SOLVED: To provide an interchangeable lens enabling a plurality of interchangeable lenses to be stored and carried in a camera bag without damaging them. <P>SOLUTION: A plurality of elastic protrusions(11,12) are provided on an outer surface of a lens barrel body(10) along its circumferential direction. A diameter of a virtual circle whose center is an optical axis(L) of the lens barrel body(10) and which contacts with tips of the plurality of elastic protrusions(11,12) is larger than the largest outer diameter of the lens barrel body(10). <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2011252987(A) 申请公布日期 2011.12.15
申请号 JP20100125425 申请日期 2010.06.01
申请人 NIKON CORP 发明人 KATAGISHI YUICHI;INOHARA YUJI
分类号 G03B11/04;G02B7/02 主分类号 G03B11/04
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