Title:
変倍光学系、光学装置
Document Type and Number:
Japanese Patent JP6477707
Kind Code:
B2
Abstract:
Comprising a first lens group G1 having positive refractive power, disposed at the most object side, and an image side lens group disposed at a side closer to an image than the first lens group G1, upon zooming, at least a distance between the first lens group G1 and the image side lens group being varied, the image side lens group comprising a vibration reduction lens group GVR which is moved so as to have a component in a direction perpendicular to the optical axis and a focusing lens group GF which is moved along the optical axis upon focusing, thereby providing a variable magnification optical system which has a higher optical performance, an optical apparatus and a method for manufacturing a variable magnification optical system.
Inventors:
Tomoki Ito
Application Number:
JP2016538417A
Publication Date:
March 06, 2019
Filing Date:
July 30, 2015
Export Citation:
Assignee:
NIKON CORPORATION
International Classes:
G02B15/167
Domestic Patent References:
| JP61236516A | ||||
| JP2014085488A | ||||
| JP2014035480A | ||||
| JP2013105131A | ||||
| JP2009156893A |
Attorney, Agent or Firm:
Inoue International Patent and Trademark Office
Yoshio Inoue
Kenichi Aihara
Ryuji Ito
Junko Inoue
Yoshio Inoue
Kenichi Aihara
Ryuji Ito
Junko Inoue