Title:
ズームレンズおよび撮像装置
Document Type and Number:
Japanese Patent JP5698415
Kind Code:
B2
Abstract:
A zoom lens substantially consists of, in order from the object side, a positive first lens group, a negative second lens group, a positive third lens group, and a positive fourth lens group. During magnification change from the wide-angle end to the telephoto end, the first and third lens groups are fixed in the optical axis direction, the second lens group is moved toward the image side, and the fourth lens group is moved along the optical axis. The second lens group includes an air space formed between a convex surface and a concave surface, and a cemented surface between a negative lens and a positive lens. The third lens group consists of, in order from the object side, a fixed front group, and a positive rear group being able to be shifted in directions intersecting with the optical axis to shift the image formed on the reduced side.
Inventors:
Kawana honesty
Application Number:
JP2014523576A
Publication Date:
April 08, 2015
Filing Date:
June 24, 2013
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B15/16; G02B13/18
Domestic Patent References:
| JP2007212847A | 2007-08-23 | |||
| JP2010026491A | 2010-02-04 | |||
| JP2006293012A | 2006-10-26 | |||
| JP2010266504A | 2010-11-25 | |||
| JP2012098552A | 2012-05-24 | |||
| JP2012002901A | 2012-01-05 |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma