发明名称 |
Image pickup lens, image pickup unit and cellphone terminal equipped therewith |
摘要 |
An image pickup lens that has therein, in the order named from an object side, an aperture stop, a meniscus-shaped first lens having positive refracting power whose convex surface faces an object and a second lens having positive or negative refracting power whose convex surface faces the object, wherein each of the first lens and the second lens has at least one aspheric surface and satisfies the following condition expression f 1 /|f 2 |<1.0 wherein, f 1 is a focal length of the first lens, f 2 is a focal length of the second lens and f is a focal length of the entire system of the image pickup lens.
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申请公布号 |
US6885508(B2) |
申请公布日期 |
2005.04.26 |
申请号 |
US20030691676 |
申请日期 |
2003.10.22 |
申请人 |
KONICA MINOLTA HOLDINGS, INC. |
发明人 |
YAMAGUCHI SUSUMU;SATO MASAE |
分类号 |
G02B9/06;G02B9/10;G02B13/00;G02B13/18;H04N5/225;(IPC1-7):G02B3/02 |
主分类号 |
G02B9/06 |
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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