发明名称 FILM UNIT WITH LENS
摘要 PROBLEM TO BE SOLVED: To change finder magnification in accordance with the switching of lenses whose focal distances are different. SOLUTION: This film unit is provided with a finder magnification changing mechanism 73 changing the finder magnification in response to the switching of the lens of a lens switching mechanism 36. The mechanism 36 rotates a lens holder 38 in response to the operation of an outside operating member and positions either of photographing lenses 40 and 41 having different focal distances on a photographing optical axis 13a. The mechanism 73 moves a movable lens 64 by utilizing the rotation of the holder 38 between an objective lens 63 and an eyepiece lens 65 along a finder optical axis 62a, and changes the finder magnification of the finder optical system to magnification in accordance with the lens positioned on the axis 13a.
申请公布号 JP2001133870(A) 申请公布日期 2001.05.18
申请号 JP19990310604 申请日期 1999.11.01
申请人 FUJI PHOTO FILM CO LTD 发明人 TASAKA HISASHI;KAMEYAMA NOBUYUKI
分类号 G03B17/28;G03B17/04;G03B17/12;G03C3/00;(IPC1-7):G03B17/12 主分类号 G03B17/28
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