Image pickup lens and image pickup device

Details Image pickup lens and image pickup device Image pickup lens and image pickup device

2005-11-29

2008-09-09

Lester, Evelyn A. (Department: 2873)

Optical: systems and elements

Lens

Including a nonspherical surface

C359S740000, C359S785000

Reexamination Certificate

active

07423817

ABSTRACT:
An image pickup lens is disclosed, comprising three lenses characterized in that the lenses comprise a first lens L1having a convex surface facing a subject side and positive refracting power, an aperture S, a second lens L2having a convex surface facing an image side and negative refracting power, and a third lens L3having a concave surface facing the image side and positive refracting power which are disposed sequentially from the subject side as well, all the lens surfaces are composed of aspheric surfaces and the following conditional formulas (A0) and (A1) are satisfied.in-line-formulae description="In-line Formulae" end="lead"?f/f2<−0.9   (A0)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?2<|R21−R22|/|R21+R22|<5   (A1)in-line-formulae description="In-line Formulae" end="tail"?With this arrangement, there is provided a compact and less expensive image pickup lens having a good optical performance and used to a solid image pickup device and an image pickup device using the image pickup lens.

REFERENCES:
patent: 6927925 (2005-08-01), Amanai
patent: 6930841 (2005-08-01), Sato
patent: 6961191 (2005-11-01), Sato
patent: 7012765 (2006-03-01), Matsui et al.
patent: 7072123 (2006-07-01), Noda
patent: 2004/0150893 (2004-08-01), Shinohara
patent: 2004/0212901 (2004-10-01), Nanba et al.
patent: 2005/0117047 (2005-06-01), Isono
patent: 11-052227 (1999-02-01), None
patent: 2001-272598 (2001-10-01), None
patent: 2004-163786 (2004-06-01), None
patent: 2004-163849 (2004-06-01), None
patent: 2004-163851 (2004-06-01), None
patent: 2004-226487 (2004-08-01), None
patent: 2004-295112 (2004-10-01), None
patent: 2005-202019 (2005-07-01), None
patent: 2006-106321 (2006-04-01), None
Japanese Office Action dated Dec. 4, 2007 for corresponding Japanese Patent Application No. 2004-373721.
Japanese Office Action dated Mar. 4, 2008 for corresponding Japanese Patent Application No. 2004-373721.
Extended European Search Report dated Jun. 10, 2008 for corresponding European Application No. 05 81 1220.

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