发明名称 ELECTRONIC FLASH APPARATUS AND CAMERA PROVIDED WITH THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To provide a flash apparatus and a camera provided with the same, which carry out more appropriate adjustment of a light distribution field angle. <P>SOLUTION: The electronic flash apparatus (10) determines the light distribution field angle according to a focal length of a photographic lens (40) and a photographic range on an imaging surface. The electronic flash apparatus (10) includes a plurality of light distribution field angles corresponding to one combination of the one focal length and the one photographic range, and one light distribution field angle is selectable from the plurality of light distribution field angles. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010002884(A) 申请公布日期 2010.01.07
申请号 JP20090107237 申请日期 2009.04.27
申请人 NIKON CORP 发明人 YANAI JUNICHI;MATSUI HIDEKI
分类号 G03B15/05;G02B7/28;G03B7/00;G03B15/03;G03B17/18;H04N5/238 主分类号 G03B15/05
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