JP7690966B2 - 変倍光学系、光学機器、および変倍光学系の製造方法 - Google Patents

変倍光学系、光学機器、および変倍光学系の製造方法 Download PDF

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Publication number
JP7690966B2
JP7690966B2 JP2022580574A JP2022580574A JP7690966B2 JP 7690966 B2 JP7690966 B2 JP 7690966B2 JP 2022580574 A JP2022580574 A JP 2022580574A JP 2022580574 A JP2022580574 A JP 2022580574A JP 7690966 B2 JP7690966 B2 JP 7690966B2
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Prior art keywords
optical system
variable magnification
magnification optical
lens
lens group
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JP2022580574A
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Japanese (ja)
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JPWO2022172821A1 (https=
Inventor
史哲 大竹
知之 幸島
貴博 石川
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Nikon Corp
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Nikon Corp
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Priority to JP2025083049A priority Critical patent/JP2025109883A/ja
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    • 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
    • G02B15/144511—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
    • G02B13/18—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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2022580574A 2021-02-12 2022-02-02 変倍光学系、光学機器、および変倍光学系の製造方法 Active JP7690966B2 (ja)

Priority Applications (1)

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JP2025083049A JP2025109883A (ja) 2021-02-12 2025-05-19 変倍光学系、および光学機器

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021020692 2021-02-12
JP2021020692 2021-02-12
PCT/JP2022/003964 WO2022172821A1 (ja) 2021-02-12 2022-02-02 変倍光学系、光学機器、および変倍光学系の製造方法

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JP2025083049A Division JP2025109883A (ja) 2021-02-12 2025-05-19 変倍光学系、および光学機器

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JPWO2022172821A1 JPWO2022172821A1 (https=) 2022-08-18
JP7690966B2 true JP7690966B2 (ja) 2025-06-11

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JP2025083049A Pending JP2025109883A (ja) 2021-02-12 2025-05-19 変倍光学系、および光学機器

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US (1) US20240248288A1 (https=)
JP (2) JP7690966B2 (https=)
CN (1) CN116868104A (https=)
WO (1) WO2022172821A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7819912B2 (ja) * 2022-03-29 2026-02-25 株式会社シグマ 大口径比超広角ズームレンズ及びこれを備える撮像装置
JP2024076793A (ja) * 2022-11-25 2024-06-06 キヤノン株式会社 ズームレンズ、およびそれを有する撮像装置、撮像システム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110013071A1 (en) 2009-07-17 2011-01-20 Largan Precision Co., Ltd. Imaging lens system
JP2012173298A (ja) 2011-02-17 2012-09-10 Sony Corp ズームレンズおよび撮像装置
JP2019191307A (ja) 2018-04-23 2019-10-31 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
WO2019235471A1 (ja) 2018-06-05 2019-12-12 株式会社ｎｉｔｔｏｈ ズームレンズシステムおよび撮像装置
WO2020012638A1 (ja) 2018-07-13 2020-01-16 株式会社ニコン 変倍光学系、光学機器、および変倍光学系の製造方法

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JPS56158316A (en) * 1980-05-10 1981-12-07 Minolta Camera Co Ltd Wide-angle zoom lens
US4465343A (en) * 1980-05-10 1984-08-14 Minolta Camera Kabushiki Kaisha Zoom lens system
JPS5719710A (en) * 1980-07-09 1982-02-02 Minolta Camera Co Ltd Zoom lens system capable of macrofocusing
JP3262235B2 (ja) * 1991-11-13 2002-03-04 オリンパス光学工業株式会社 広角ズームレンズ
JP3433733B2 (ja) * 2000-07-03 2003-08-04 ミノルタ株式会社 撮像レンズ装置
JP2006113404A (ja) * 2004-10-15 2006-04-27 Konica Minolta Opto Inc 変倍光学系、撮像レンズ装置及びデジタル機器
JP4884783B2 (ja) * 2006-01-19 2012-02-29 富士フイルム株式会社 結像変倍光学系およびこれを用いた撮像装置
JP4989079B2 (ja) * 2006-02-02 2012-08-01 キヤノン株式会社 ズームレンズ及びそれを有する画像投射装置
JP5457750B2 (ja) * 2009-08-03 2014-04-02 オリンパス株式会社 変倍光学系及びそれを有する撮像装置
JP5443912B2 (ja) * 2009-09-14 2014-03-19 オリンパス株式会社 変倍光学系及びそれを有する撮像装置
JP5532402B2 (ja) * 2010-01-14 2014-06-25 株式会社ニコン ズームレンズおよび光学機器
JP5576710B2 (ja) * 2010-05-13 2014-08-20 オリンパス株式会社 結像光学系及びそれを有する撮像装置
JP5676505B2 (ja) * 2011-04-07 2015-02-25 パナソニックＩｐマネジメント株式会社 ズームレンズ系、撮像装置及びカメラ
JP2013178493A (ja) * 2012-02-07 2013-09-09 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP5694604B2 (ja) * 2012-03-26 2015-04-01 富士フイルム株式会社 変倍光学系および撮像装置
JP5988756B2 (ja) * 2012-08-06 2016-09-07 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置
JP5974719B2 (ja) * 2012-08-08 2016-08-23 株式会社ニコン ズームレンズ、光学装置、ズームレンズの製造方法
JP7249486B2 (ja) * 2016-12-28 2023-03-31 パナソニックＩｐマネジメント株式会社 撮像光学系とそれを備える撮像装置およびカメラシステム
JP7245606B2 (ja) * 2018-03-30 2023-03-24 株式会社タムロン ズームレンズ及び撮像装置
JP2020134785A (ja) * 2019-02-22 2020-08-31 キヤノン株式会社 光学系およびそれを有する撮像装置
JP7240631B2 (ja) * 2019-04-01 2023-03-16 株式会社ニコン 変倍光学系及び光学機器
JP7237726B2 (ja) * 2019-05-22 2023-03-13 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110013071A1 (en) 2009-07-17 2011-01-20 Largan Precision Co., Ltd. Imaging lens system
JP2012173298A (ja) 2011-02-17 2012-09-10 Sony Corp ズームレンズおよび撮像装置
JP2019191307A (ja) 2018-04-23 2019-10-31 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
WO2019235471A1 (ja) 2018-06-05 2019-12-12 株式会社ｎｉｔｔｏｈ ズームレンズシステムおよび撮像装置
WO2020012638A1 (ja) 2018-07-13 2020-01-16 株式会社ニコン 変倍光学系、光学機器、および変倍光学系の製造方法

Also Published As

Publication number Publication date
US20240248288A1 (en) 2024-07-25
CN116868104A (zh) 2023-10-10
WO2022172821A1 (ja) 2022-08-18
JP2025109883A (ja) 2025-07-25
JPWO2022172821A1 (https=) 2022-08-18

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