Invention Grant
- Patent Title: Image pickup lens
- Patent Title (中): 摄像镜头
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Application No.: US13864702Application Date: 2013-04-17
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Publication No.: US08953256B2Publication Date: 2015-02-10
- Inventor: Sayuri Noda
- Applicant: Kantatsu Co., Ltd.
- Applicant Address: JP Tochigi
- Assignee: Kantatsu Co., Ltd.
- Current Assignee: Kantatsu Co., Ltd.
- Current Assignee Address: JP Tochigi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2012-095388 20120419
- Main IPC: G02B13/18
- IPC: G02B13/18 ; G02B9/60 ; G02B3/04 ; G02B27/00 ; G02B13/00

Abstract:
An image pickup lens includes a first lens with positive refractive power having a convex object side surface, an aperture stop, a second lens with negative refractive power having a convex image side surface, a third lens with positive refractive power having a concave image side surface, a fourth lens with positive refractive power having a convex image side surface, and a fifth lens with negative refractive power as a double-sided aspheric lens having a concave image side surface near the optical axis; wherein the first lens and the second lens satisfy following conditional expressions (1) and (2); 50
Public/Granted literature
- US20130279020A1 IMAGE PICKUP LENS Public/Granted day:2013-10-24
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