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Patent Searching and Data


Title:
ズームレンズおよび撮像装置
Document Type and Number:
Japanese Patent JP5841675
Kind Code:
B2
Abstract:
A zoom lens consists of a positive first lens group fixed during zooming, a negative second lens group moved during zooming, a positive third lens group moved during zooming to correct an image plane variation due to the zooming, and a positive fourth lens group fixed during zooming and includes a stop on the most object side. The second lens group includes two or more positive lenses and one or more negative lenses. The zoom lens satisfies predetermined conditional expressions with respect to the second lens group.

Inventors:
Toshihiro Aoi
Shinkichi Ikeda
Application Number:
JP2014545563A
Publication Date:
January 13, 2016
Filing Date:
October 31, 2013
Export Citation:
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Assignee:
FUJIFILM Corporation
International Classes:
G02B15/20; G02B13/18
Domestic Patent References:
JP2009217121A2009-09-24
JP2007310179A2007-11-29
JP2008003535A2008-01-10
JPH06186477A1994-07-08
JP2009217121A2009-09-24
JP2007310179A2007-11-29
JP2008003535A2008-01-10
JPH06186477A1994-07-08
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma