发明名称 |
Image pickup optical system |
摘要 |
An image pickup optical system for forming a light flux from an object into an optical image on an image pickup element, is provided with, in order from an object side thereof: a first lens with a negative power in a meniscus shape including a convex surface facing the object side; a second lens in a biconcave shape; a third lens with a positive power including a convex surface facing an image surface side; and a fourth lens with a positive power including a convex surface facing the image surface side. The first lens and the third lens are glass lenses and the second lens and the fourth lens are plastic lenses.
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申请公布号 |
EP1793255(A1) |
申请公布日期 |
2007.06.06 |
申请号 |
EP20060020772 |
申请日期 |
2006.10.02 |
申请人 |
KONICA MINOLTA OPTO, INC. |
发明人 |
HIROSE, MASATOSHI |
分类号 |
G02B13/06;G02B9/34;G02B13/00 |
主分类号 |
G02B13/06 |
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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