Title:
撮像レンズ,撮像ユニット及びこれを備える携帯端末
Document Type and Number:
Japanese Patent JP4706787
Kind Code:
B2
Abstract:
An image pickup lens has four lenses arranged in an order of a first lens, a second lens, a third lens and a fourth lens from an object side. The first lens has positive refractive power and has a convex surface facing toward an object side, the second lens has the positive refractive power, the third lens has negative refractive power and has a concave surface facing toward the object side to be formed in a meniscus shape, and the fourth lens has the positive or negative refractive power and has a convex surface facing toward the object side to be formed in the meniscus shape.
An image pickup unit (50) comprising a solid state pickup element (51), a substrate (52) for holding the solid state image pickup element, a casing (53) and the image pickup lens (L1-L4) has a length of not more than 15 mm.
Inventors:
Susumu Yamaguchi
Application Number:
JP2009231262A
Publication Date:
June 22, 2011
Filing Date:
October 05, 2009
Export Citation:
Assignee:
Konica Minolta Holdings Co., Ltd.
International Classes:
G02B13/00; G02B13/18; G02B9/34
Domestic Patent References:
| JP11249013A | ||||
| JP63165813A | ||||
| JP2000180719A | ||||
| JP2002365530A |
Attorney, Agent or Firm:
Gwangyang International Patent Office
Hiroshi Arafune
Hiroshi Arafune