Invention Grant
- Patent Title: Shiftable lens system
- Patent Title (中): 可换镜头系统
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Application No.: US355272Application Date: 1994-12-12
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Publication No.: US5539576APublication Date: 1996-07-23
- Inventor: Takayuki Ito
- Applicant: Takayuki Ito
- Applicant Address: JPX Tokyo
- Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
- Current Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
- Current Assignee Address: JPX Tokyo
- Priority: JPX3-094647 19910129; JPX3-094648 19910129
- Main IPC: G02B13/00
- IPC: G02B13/00 ; G02B15/04 ; G02B27/64 ; G03B5/00
Abstract:
A shiftable lens system having front and rear lens groups, wherein a part or the whole of the rear lens group is shiftable in a direction perpendicular to the principal optical axis thereof.
Public/Granted literature
- US4965456A Radiation guard means Public/Granted day:1990-10-23
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