Invention Grant
- Patent Title: Image pickup lens, image pickup apparatus, and mobile terminal
- Patent Title (中): 摄像镜头,摄像装置和移动终端
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Application No.: US12638837Application Date: 2009-12-15
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Publication No.: US08427569B2Publication Date: 2013-04-23
- Inventor: Eigo Sano
- Applicant: Eigo Sano
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Opto, Inc.
- Current Assignee: Konica Minolta Opto, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Cozen O'Connor
- Priority: JP2009-045802 20090227
- Main IPC: G02B13/16
- IPC: G02B13/16

Abstract:
An image pickup lens includes: a first lens with a positive power, including a convex surface facing the object side; an aperture stop; a second lens with a negative power, including a concave surface facing the image side; a third lens with a positive or negative power; a fourth lens with a positive power, including a convex surface facing the image side; and a fifth lens with a negative power, including a concave surface facing the image side. The surface of the fifth lens facing the image side is an aspheric surface and includes an inflection point. The image pickup lens satisfies the predetermined condition relating to a focal length of the first lens.
Public/Granted literature
- US20100220229A1 Image Pickup Lens, Image Pickup Apparatus, and Mobile Terminal Public/Granted day:2010-09-02
Information query