发明名称 |
Optical system for endoscopes |
摘要 |
An optical system for endoscopes comprising an objective lens, a plural number of relay lenses for consecutively transferring the image formed with said objective lens and an eyepiece. In said optical system, the whole or portion of one of said relay lenses can be displaced along the optical axis to vary magnification level of said optical system.
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申请公布号 |
US4300812(A) |
申请公布日期 |
1981.11.17 |
申请号 |
US19790037214 |
申请日期 |
1979.05.08 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
NAKAHASHI, KEN-ICHI |
分类号 |
A61B1/00;A61B1/002;G02B15/00;G02B23/24;(IPC1-7):G02B7/04 |
主分类号 |
A61B1/00 |
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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