发明授权
- 专利标题: Observation optical system
- 专利标题(中): 观察光学系统
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申请号: US12099539申请日: 2008-04-08
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公开(公告)号: US07746566B2公开(公告)日: 2010-06-29
- 发明人: Masayuki Mizusawa
- 申请人: Masayuki Mizusawa
- 申请人地址: JP Tokyo
- 专利权人: Olympus Corporation
- 当前专利权人: Olympus Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Pillsbury Winthrop Shaw Pittman, LLP
- 优先权: JP2007-101798 20070409
- 主分类号: G02B17/00
- IPC分类号: G02B17/00
摘要:
An observation optical system has a negative lens unit including a cemented lens, arranged at the most object-side position; an annular reflecting mirror placed on the image side of the negative lens unit, with a reflecting surface facing the image side; and an imaging lens unit arranged on the image side of the negative lens unit and the annular reflecting mirror.
公开/授权文献
- US20080247062A1 OBSERVATION OPTICAL SYSTEM 公开/授权日:2008-10-09
信息查询
IPC分类:
G | 物理 |
G02 | 光学 |
G02B | 光学元件、系统或仪器 |
G02B17/00 | 有或无折射元件的具有反射面的系统 |