发明名称 RANGE-FINDING POSITION DISPLAY DEVICE
摘要 PROBLEM TO BE SOLVED: To improve the display quality of a finder display device and to make focusing position active display compatible with photographing center part display (make a focusing rate high). SOLUTION: This range-finding position display device is provided with a 1st display means 14c for displaying a focusing area on a finder observation surface only as necessary and a 2nd display means 14b showing a photographic index provided on a prism constituting a finder unit. In a camera, a photographing optical system and a finder optical system are different, and the 1st display means 14c selectively displays a plurality of range-finding areas, and is constituted of a light emitting element 12c, a mask 12b shaping projected light by the light emitting element and a half mirror 11g. The 2nd display means 14b is the photographic index marked on the prism, and the photographic index is a display index at a photographing center part.
申请公布号 JP2003156779(A) 申请公布日期 2003.05.30
申请号 JP20010356047 申请日期 2001.11.21
申请人 CANON INC 发明人 KATSURA KOICHI
分类号 G03B13/36;G02B7/28;G03B13/06;G03B13/16;G03B17/18;G03B17/20;(IPC1-7):G03B13/06 主分类号 G03B13/36
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