Title:
ZOOM LENS, OPTICAL DEVICE, AND METHOD FOR MANUFACTURING ZOOM LENS
Document Type and Number:
WIPO Patent Application WO/2019/220629
Kind Code:
A1
Abstract:
A zoom lens ZL includes, arranged in order from the object side: a first lens group G1 having a positive refractive power; a second lens group G2 having a negative refractive power; a third lens group G3 having a positive refractive power; a fourth lens group G4 having a negative refractive power; and a fifth lens group G5 having a positive refractive power. The distance between the lens groups that are adjacent changes during zooming, satisfying the following formula: 13.00
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Inventors:
MURAYAMA NORIO (JP)
HASE SHUNSUKE (JP)
SHIMADA TOSHIYUKI (JP)
HASE SHUNSUKE (JP)
SHIMADA TOSHIYUKI (JP)
Application Number:
PCT/JP2018/019322
Publication Date:
November 21, 2019
Filing Date:
May 18, 2018
Export Citation:
Assignee:
NIKON CORP (JP)
International Classes:
G02B15/20; G02B13/18
Domestic Patent References:
WO2014041776A1 | 2014-03-20 |
Foreign References:
JP2017068155A | 2017-04-06 | |||
JP2015102803A | 2015-06-04 | |||
JP2015197593A | 2015-11-09 | |||
JP2011069959A | 2011-04-07 |
Attorney, Agent or Firm:
OHNISHI, Shogo et al. (JP)
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