Title:
ズームレンズおよび撮像装置
Document Type and Number:
Japanese Patent JP5727513
Kind Code:
B2
Abstract:
A zoom lens includes a positive first lens group, which is fixed during changing magnification and during focusing, a negative second lens group, which is moved during changing magnification, a positive third lens group, which is fixed during changing magnification and during focusing, a positive fourth lens group, which is moved during changing magnification and during focusing, and a negative fifth lens group, which is moved during changing magnification, which are in this order from an object side. A lens group constituting the first lens group consists of a negative front group and a positive rear group in this order from the object side. The second lens group consists of four lenses of a negative lens, a positive lens, a negative lens, and a positive lens or a negative lens arranged in this order from the object side.
Inventors:
Tomioka Ryoko
Application Number:
JP2012547713A
Publication Date:
June 03, 2015
Filing Date:
December 06, 2011
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B15/20; G02B13/18
Domestic Patent References:
| JP2010217228A | 2010-09-30 | |||
| JP2008096663A | 2008-04-24 | |||
| JP2008268833A | 2008-11-06 | |||
| JP2010217228A | 2010-09-30 | |||
| JP2008096663A | 2008-04-24 | |||
| JP2008268833A | 2008-11-06 |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma