发明名称 |
Viewfinder optical system |
摘要 |
<p>A compact magnification-varying viewfinder optical system includes an objective lens unit (21) for forming a primary image, the objective lens unit having at least one curved reflection surface (26b) arranged to reflect a light flux and a lens surface, and an eyepiece lens unit (25) for observing the primary image, wherein an optical power is imparted to the curved reflection surface.</p> |
申请公布号 |
EP0722106(A2) |
申请公布日期 |
1996.07.17 |
申请号 |
EP19960100284 |
申请日期 |
1996.01.10 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
KOYAMA, TAKESHI;MURATA, YASUNORI |
分类号 |
G02B15/177;G02B23/14;(IPC1-7):G02B23/14 |
主分类号 |
G02B15/177 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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