| 发明名称 |
Four-component microscope objective |
| 摘要 |
A four-member microscope objective having a numerical aperture of 0.25 provides a magnification of substantially 10x and a substantially flat image field of 24mm in combination with a telescope objective as described in U.S. Pat. No. 3,355,234 and a typical 10x eyepiece.
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| 申请公布号 |
US4054369(A) |
申请公布日期 |
1977.10.18 |
| 申请号 |
US19760696996 |
申请日期 |
1976.06.17 |
| 申请人 |
AMERICAN OPTICAL CORPORATION |
发明人 |
SHOEMAKER, ARTHUR H. |
| 分类号 |
G02B21/02;(IPC1-7):G02B9/34 |
主分类号 |
G02B21/02 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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