| 发明名称 |
OPTICAL SYSTEM HAVING FRESNEL SURFACES FOR IMAGING NEAR-AXIS POINTS WITHOUT MERIDIONAL COMA |
| 摘要 |
An imaging optical system comprises at least one Fresnel face, which is such that the entire system images aplanatically.
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| 申请公布号 |
US3653751(A) |
申请公布日期 |
1972.04.04 |
| 申请号 |
USD3653751 |
申请日期 |
1969.09.05 |
| 申请人 |
JENOPTIK JENA GMBH. |
发明人 |
CHRISTIAN HOFMANN;JORG NEUMANN |
| 分类号 |
G02B3/08;(IPC1-7):G02B3/08 |
主分类号 |
G02B3/08 |
| 代理机构 |
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代理人 |
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