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Title:
ZOOM LENS AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/181667
Kind Code:
A1
Abstract:
This zoom lens comprises, in order from the object side to the image surface side, a first lens group having negative refractive power, a second lens group, a third lens group having positive refractive power, and a fourth lens group having negative refractive power. The distance between adjacent lens groups changes during zooming, and the second lens group is fixed during zooming.

Inventors:
OKUMURA TETSUICHIRO (JP)
HOSONO YOSHIO (JP)
Application Number:
PCT/JP2023/003795
Publication Date:
September 28, 2023
Filing Date:
February 06, 2023
Export Citation:
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Assignee:
SONY GROUP CORP (JP)
International Classes:
G02B15/20; G02B13/18
Foreign References:
JP2002148516A2002-05-22
JP2012230209A2012-11-22
JP2011081062A2011-04-21
US20140247504A12014-09-04
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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