Title:
ZOOM LENS AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/153076
Kind Code:
A1
Abstract:
A zoom lens of the present disclosure comprises, in order from the object side to the image surface side, a plurality of lens groups, each constituted by no more than two lenses, including: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; and a fifth lens group having a negative refractive power. The zoom lens is configured so that, when zooming from the wide-angle end to the telephoto end, at least the first lens group, the third lens group, and the fourth lens group move towards the object side, and so that a prescribed conditional formula is satisfied.
Inventors:
TASAKI RYOHEI (JP)
KUMISAWA YUMA (JP)
JURI HIROO (JP)
KUMISAWA YUMA (JP)
JURI HIROO (JP)
Application Number:
PCT/JP2022/046159
Publication Date:
August 17, 2023
Filing Date:
December 15, 2022
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
G02B15/20; G02B13/18
Domestic Patent References:
| WO2015146067A1 | 2015-10-01 | |||
| WO2021039814A1 | 2021-03-04 |
Foreign References:
| JP2020190679A | 2020-11-26 | |||
| JP2020190680A | 2020-11-26 | |||
| JP2004333770A | 2004-11-25 | |||
| JP2017102323A | 2017-06-08 | |||
| JP2017134104A | 2017-08-03 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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