Title:
撮像レンズ、撮像ユニット及び携帯端末
Document Type and Number:
Japanese Patent JP4269334
Kind Code:
B2
Abstract:
An image pickup lens that has therein, in the order named from an object side, an aperture stop, a meniscus-shaped first lens (L1) having positive refracting power whose convex surface faces an object and a second lens (L2) 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 conditional expression; f1/¾f2¾ < 1.0 wherein, f1 is a focal length of the first lens, f2 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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Inventors:
Susumu Yamaguchi
Masae Sato
Masae Sato
Application Number:
JP2002312344A
Publication Date:
May 27, 2009
Filing Date:
October 28, 2002
Export Citation:
Assignee:
Konica Minolta Holdings Co., Ltd.
International Classes:
G02B13/00; G02B9/06; G02B9/10; G02B13/18; H04N5/225
Domestic Patent References:
| JP2004109585A | ||||
| JP2004004620A | ||||
| JP2003329922A |
Attorney, Agent or Firm:
Keijiro Tamura
Kenichi Kobayashi
Kenichi Kobayashi