发明授权
- 专利标题: Focusing device in camera equipped with both standard and telephoto lenses
- 专利标题(中): 聚焦设备在相机配备标准和长焦镜头
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申请号: US168266申请日: 1980-07-10
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公开(公告)号: US4264175A公开(公告)日: 1981-04-28
- 发明人: Toshinori Hayata , Kunio Tsuji , Akitoshi Morioka
- 申请人: Toshinori Hayata , Kunio Tsuji , Akitoshi Morioka
- 申请人地址: JPX Osaka
- 专利权人: West Electric Company, Ltd.
- 当前专利权人: West Electric Company, Ltd.
- 当前专利权人地址: JPX Osaka
- 主分类号: G03B19/07
- IPC分类号: G03B19/07 ; G03B3/02 ; G03B17/00
摘要:
In a camera equipped with both a standard lens and a telephoto lens which may be arbitrarily selected for exposures by manipulating a first control knob, a focusing device is provided which selects the focusing ranges or depths of field of the telephoto lens by a second control knob only in the case of the photography with the telephoto lens.
公开/授权文献
- US5365839A Shuttle printer 公开/授权日:1994-11-22
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