发明名称 |
Behind-stop Tesser type lens system |
摘要 |
A behind-stop Tesser type lens system comprising a first lens component of a positive meniscus lens of which a convex surface is faced to the object-side, a second lens component of biconcave lens, and a third lens component of a cemented doublet comprising a negative meniscus lens and a biconvex lens and so arranged as to be compact and provided with a favorable image forming ability.
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申请公布号 |
US4487484(A) |
申请公布日期 |
1984.12.11 |
申请号 |
US19830532150 |
申请日期 |
1983.09.14 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
MIHARA, SHIN-ICHI |
分类号 |
G02B9/20;(IPC1-7):G02B9/20 |
主分类号 |
G02B9/20 |
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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