发明名称 |
Observation optical system and optical device having the same |
摘要 |
An observation optical system includes an objective optical system for forming an inverted image of an object, an erecting optical system for converting the inverted image into an erected image and an eyepiece optical system for guiding the erected image to an observer. At least one of the objective optical system, erecting optical system, and eyepiece optical system has a first optical element having a curved reflecting surface and changes an observation magnification by changing relative positions of the first optical element and another optical unit. <IMAGE> |
申请公布号 |
EP1081527(A3) |
申请公布日期 |
2003.07.02 |
申请号 |
EP20000307526 |
申请日期 |
2000.08.31 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SEKITA, MAKOTO;AKIYAMA, TAKESHI |
分类号 |
G02B13/04;G02B15/177;G02B17/08;G02B23/14 |
主分类号 |
G02B13/04 |
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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