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Title:
OPERATION RING AND LENS DEVICE, AND METHOD FOR MANUFACTURING OPERATION RING
Document Type and Number:
WIPO Patent Application WO/2023/243604
Kind Code:
A1
Abstract:
Provided are: an operation ring which, if rotated, is capable of detecting a rotation position with high resolution; a lens device; and a method for producing an operation ring.　A lens barrel (12) comprises: a zoom ring (23); an optical system; and an electric zoom mechanism that drives, according to the rotation of the zoom ring (23), a zooming lens group which constitutes a part of the optical system. The zoom ring (23) includes: a ring member (41); a first recess (43) formed in the ring member (41); and plating (42) applied to the first recess (43). The first recess (43) has an inclined section formed therein.

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Inventors:
KONDO NOBUYUKI (JP)
Application Number:
PCT/JP2023/021745
Publication Date:
December 21, 2023
Filing Date:
June 12, 2023
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B7/04; G02B7/08
Domestic Patent References:
WO2018051645A12018-03-22
Foreign References:
JP2009214559A2009-09-24
JP2021071541A2021-05-06
JPS6080770A1985-05-08
JP2019095316A2019-06-20
Attorney, Agent or Firm:
KYORITSU INSTITUTE (JP)
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