Title:
撮像レンズ、撮像装置及び携帯端末
Document Type and Number:
Japanese Patent JP4924141
Kind Code:
B2
Abstract:
An image pickup lens includes, in order from an object side thereof: a aperture stop; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; and a fourth lens having a negative refractive power and having a biconcave shape including an aspheric surface. The image pickup lens satisfies the predetermined conditions according to focal lengths of the first lens and the third lens.
Inventors:
Eigo Sano
Application Number:
JP2007084001A
Publication Date:
April 25, 2012
Filing Date:
March 28, 2007
Export Citation:
Assignee:
Konica Minolta Opto Co., Ltd.
International Classes:
G02B9/34; G02B13/18
Domestic Patent References:
| JP60121413A | ||||
| JP2167517A | ||||
| JP6059189A | ||||
| JP2007212877A | ||||
| JP2007219520A | ||||
| JP2007219079A | ||||
| JP2008185880A |
Attorney, Agent or Firm:
Mitsuhiro Fukuda