Title:
撮像レンズおよび撮像装置
Document Type and Number:
Japanese Patent JP5789344
Kind Code:
B2
Abstract:
An imaging lens, consisting of a first lens group, a top, and a second lens group having a positive refractive power, in order from the object side, in which the first lens group is composed of a first front lens group having a negative refractive power and a first rear lens group having a positive refractive power in order from the object side, the first rear lens group is composed of a cemented lens formed of a negative lens and a positive lens, the first front lens group at least includes four negative lenses, and at least two of the negative lenses included in the first front lens group satisfy a conditional expression given below: 70<νd1n (1).
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Inventors:
Hiroshi Yamada
Rinsei Cho
Rinsei Cho
Application Number:
JP2014544228A
Publication Date:
October 07, 2015
Filing Date:
October 10, 2013
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B13/04; G02B13/18
Domestic Patent References:
| JP2010191077A | 2010-09-02 | |||
| JP2008078535A | 2008-04-03 | |||
| JP2008170720A | 2008-07-24 |
Foreign References:
| US3737214A | 1973-06-05 |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma