| 发明名称 |
Graded refractive index lens system |
| 摘要 |
A graded refractive index single lens system comprising at least one surface formed spherically with the radius of curvature being large wherein N.A. is large and various aberrations including off-axial aberrations are well-corrected.
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| 申请公布号 |
US4701032(A) |
申请公布日期 |
1987.10.20 |
| 申请号 |
US19850790177 |
申请日期 |
1985.10.22 |
| 申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
TAKADA, KATSUHIRO |
| 分类号 |
G02B3/00;G11B7/135;(IPC1-7):G02B3/02;G02B13/18 |
主分类号 |
G02B3/00 |
| 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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