发明申请
- 专利标题: IMAGING LENS, CAMERA MODULE, AND PORTABLE TERMINAL APPARATUS
- 专利标题(中): 成像镜头,相机模块和便携式终端设备
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申请号: US12032483申请日: 2008-02-15
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公开(公告)号: US20080239510A1公开(公告)日: 2008-10-02
- 发明人: Kenichi Sato , Minoru Taniyama
- 申请人: Kenichi Sato , Minoru Taniyama
- 优先权: JPP2007-081195 20070327
- 主分类号: G02B13/18
- IPC分类号: G02B13/18
摘要:
An imaging lens comprises, in order from an object side: a first lens having a positive refractive power and a meniscus shape and having a convex surface directed to the object side; a second lens having a negative refractive power in the vicinity of an optical axis of the imaging lens; and a third lens having a positive refractive power in the vicinity of the optical axis, wherein at least one surface of each of the second lens and the third lens is an aspheric surface; and the imaging lens satisfies the following conditional expression expressions: 0.7