JP7464191B2 - 変倍光学系および光学機器 - Google Patents

変倍光学系および光学機器 Download PDF

Info

Publication number
JP7464191B2
JP7464191B2 JP2023514360A JP2023514360A JP7464191B2 JP 7464191 B2 JP7464191 B2 JP 7464191B2 JP 2023514360 A JP2023514360 A JP 2023514360A JP 2023514360 A JP2023514360 A JP 2023514360A JP 7464191 B2 JP7464191 B2 JP 7464191B2
Authority
JP
Japan
Prior art keywords
group
lens
optical system
lens group
variable magnification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2023514360A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022219918A1 (https=
Inventor
知之 幸島
貴博 石川
史哲 大竹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikon Corp filed Critical Nikon Corp
Publication of JPWO2022219918A1 publication Critical patent/JPWO2022219918A1/ja
Priority to JP2024042939A priority Critical patent/JP7726316B2/ja
Application granted granted Critical
Publication of JP7464191B2 publication Critical patent/JP7464191B2/ja
Priority to JP2025127401A priority patent/JP2025142330A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1445—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative
    • G02B15/144515—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative arranged -+++
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/146—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups
    • G02B15/1461—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups the first group being positive
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/20—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2023514360A 2021-04-15 2022-02-17 変倍光学系および光学機器 Active JP7464191B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024042939A JP7726316B2 (ja) 2021-04-15 2024-03-19 変倍光学系および光学機器
JP2025127401A JP2025142330A (ja) 2021-04-15 2025-07-30 変倍光学系および光学機器

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021069018 2021-04-15
JP2021069018 2021-04-15
PCT/JP2022/006338 WO2022219918A1 (ja) 2021-04-15 2022-02-17 変倍光学系、光学機器、および変倍光学系の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024042939A Division JP7726316B2 (ja) 2021-04-15 2024-03-19 変倍光学系および光学機器

Publications (2)

Publication Number Publication Date
JPWO2022219918A1 JPWO2022219918A1 (https=) 2022-10-20
JP7464191B2 true JP7464191B2 (ja) 2024-04-09

Family

ID=83639606

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2023514360A Active JP7464191B2 (ja) 2021-04-15 2022-02-17 変倍光学系および光学機器
JP2024042939A Active JP7726316B2 (ja) 2021-04-15 2024-03-19 変倍光学系および光学機器
JP2025127401A Pending JP2025142330A (ja) 2021-04-15 2025-07-30 変倍光学系および光学機器

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2024042939A Active JP7726316B2 (ja) 2021-04-15 2024-03-19 変倍光学系および光学機器
JP2025127401A Pending JP2025142330A (ja) 2021-04-15 2025-07-30 変倍光学系および光学機器

Country Status (4)

Country Link
US (1) US20240118525A1 (https=)
JP (3) JP7464191B2 (https=)
CN (1) CN117063108A (https=)
WO (1) WO2022219918A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009251117A (ja) 2008-04-02 2009-10-29 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
WO2014087855A1 (ja) 2012-12-03 2014-06-12 オリンパス株式会社 結像光学系及びそれを有する電子撮像装置
JP2015145914A (ja) 2014-01-31 2015-08-13 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP2020190661A (ja) 2019-05-22 2020-11-26 キヤノン株式会社 ズームレンズ、およびそれを有する光学機器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4110066B1 (https=) * 1962-07-31 1966-05-30
JP3144192B2 (ja) * 1993-11-29 2001-03-12 キヤノン株式会社 ズームレンズ
JP3186388B2 (ja) * 1993-11-25 2001-07-11 キヤノン株式会社 ズームレンズ
JPH0862499A (ja) * 1994-08-25 1996-03-08 Canon Inc ズームレンズ
KR100799218B1 (ko) 2006-09-13 2008-01-29 삼성테크윈 주식회사 소형 줌 렌즈
KR100927347B1 (ko) 2007-11-13 2009-11-24 파워옵틱스 주식회사 줌렌즈 광학계
JP2010054722A (ja) * 2008-08-27 2010-03-11 Olympus Imaging Corp ズームレンズ及び撮像装置
JP2011247955A (ja) 2010-05-24 2011-12-08 Olympus Imaging Corp 結像光学系及びそれを有する電子撮像装置
JP2016102809A (ja) * 2013-03-04 2016-06-02 株式会社ニコン ズームレンズ、光学機器及びズームレンズの変倍方法
JP2014235190A (ja) * 2013-05-30 2014-12-15 オリンパスイメージング株式会社 ズームレンズ及びそれを有する撮像装置
WO2018092293A1 (ja) * 2016-11-21 2018-05-24 株式会社ニコン 変倍光学系、これを用いた光学機器および撮像機器、並びにこの変倍光学系の製造方法
JP6504189B2 (ja) * 2017-03-07 2019-04-24 株式会社ニコン 変倍光学系、光学装置、変倍光学系の製造方法
JP7146451B2 (ja) * 2018-05-28 2022-10-04 キヤノン株式会社 ズームレンズ及び撮像装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009251117A (ja) 2008-04-02 2009-10-29 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
WO2014087855A1 (ja) 2012-12-03 2014-06-12 オリンパス株式会社 結像光学系及びそれを有する電子撮像装置
JP2015145914A (ja) 2014-01-31 2015-08-13 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP2020190661A (ja) 2019-05-22 2020-11-26 キヤノン株式会社 ズームレンズ、およびそれを有する光学機器

Also Published As

Publication number Publication date
JPWO2022219918A1 (https=) 2022-10-20
JP7726316B2 (ja) 2025-08-20
JP2024060098A (ja) 2024-05-01
CN117063108A (zh) 2023-11-14
US20240118525A1 (en) 2024-04-11
JP2025142330A (ja) 2025-09-30
WO2022219918A1 (ja) 2022-10-20

Similar Documents

Publication Publication Date Title
JP7821409B2 (ja) 変倍光学系及び光学機器
JP7729451B2 (ja) 変倍光学系および光学機器
JP2025109883A (ja) 変倍光学系、および光学機器
JP2010191199A (ja) ズームレンズ、光学機器及びズームレンズの製造方法
JP2026034704A (ja) 変倍光学系、および光学機器
JP7218813B2 (ja) 変倍光学系及び光学機器
CN115004074B (zh) 变倍光学系统以及光学设备
JP2026010130A (ja) 変倍光学系および光学機器
JP2025163279A (ja) 光学系および光学機器
JP7459981B2 (ja) 光学系および光学機器
JP2011145473A (ja) ズームレンズ、光学機器、およびズームレンズの製造方法
JP7552701B2 (ja) 変倍光学系および光学機器
JP7464191B2 (ja) 変倍光学系および光学機器
JP7732217B2 (ja) 変倍光学系および光学機器
JP6349801B2 (ja) ズームレンズ、光学装置
JP7732218B2 (ja) 変倍光学系、および光学機器
JP7544209B2 (ja) 変倍光学系および光学機器
CN115867845B (zh) 变倍光学系统以及光学设备
JP2025147224A (ja) 変倍光学系、光学機器、および変倍光学系の製造方法
WO2024122598A1 (ja) 変倍光学系、光学機器、および変倍光学系の製造方法
CN120513419A (zh) 变倍光学系统、光学设备以及变倍光学系统的制造方法
JP2023042600A (ja) 変倍光学系及び光学機器
WO2026053697A1 (ja) 変倍光学系、光学機器、および変倍光学系の製造方法
JP2024011103A (ja) 変倍光学系、光学機器、および変倍光学系の製造方法
CN120883112A (zh) 变倍光学系统、光学设备以及变倍光学系统的制造方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230720

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240109

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240219

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240227

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240311

R150 Certificate of patent or registration of utility model

Ref document number: 7464191

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150