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Patent Searching and Data


Title:
ZOOM LENS AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/199758
Kind Code:
A1
Abstract:
The present invention has a positive first lens group, a positive second lens group, and a negative third lens group that are disposed in that order from the object side to the image side. The first lens group is fixed when varying magnification, and the second and third lens groups are moved when varying magnification. The first lens group is constituted by four or fewer lenses, thereby satisfying the following conditional equations (1) and (2). (1) 1.00

Inventors:
OKUMURA TETSUICHIRO (JP)
Application Number:
PCT/JP2021/005992
Publication Date:
October 07, 2021
Filing Date:
February 17, 2021
Export Citation:
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Assignee:
SONY GROUP CORP (JP)
International Classes:
G02B13/18; G02B15/20
Foreign References:
JPS6352113A1988-03-05
JP2018132675A2018-08-23
JP2017040874A2017-02-23
Attorney, Agent or Firm:
IWATA, Masanobu et al. (JP)
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