JP7400974B2 - 光学系および光学機器 - Google Patents

光学系および光学機器 Download PDF

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Publication number
JP7400974B2
JP7400974B2 JP2022532333A JP2022532333A JP7400974B2 JP 7400974 B2 JP7400974 B2 JP 7400974B2 JP 2022532333 A JP2022532333 A JP 2022532333A JP 2022532333 A JP2022532333 A JP 2022532333A JP 7400974 B2 JP7400974 B2 JP 7400974B2
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Japan
Prior art keywords
lens group
lens
optical system
focusing
conditional expression
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JP2022532333A
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English (en)
Japanese (ja)
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JPWO2021256065A1 (https=
Inventor
雅史 山下
晶乃 近藤
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
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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 JPWO2021256065A1 publication Critical patent/JPWO2021256065A1/ja
Priority to JP2023199838A priority Critical patent/JP7772044B2/ja
Application granted granted Critical
Publication of JP7400974B2 publication Critical patent/JP7400974B2/ja
Priority to JP2025186736A priority patent/JP2026009362A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B15/1441—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 positive
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • 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
    • G02B15/1441—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 positive
    • G02B15/144105—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 positive arranged +-+-
    • 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)
  • Adjustment Of Camera Lenses (AREA)
JP2022532333A 2020-06-18 2021-04-12 光学系および光学機器 Active JP7400974B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023199838A JP7772044B2 (ja) 2020-06-18 2023-11-27 光学系および光学機器
JP2025186736A JP2026009362A (ja) 2020-06-18 2025-11-05 光学系および光学機器

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020105549 2020-06-18
JP2020105549 2020-06-18
PCT/JP2021/015136 WO2021256065A1 (ja) 2020-06-18 2021-04-12 光学系、光学機器、および光学系の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023199838A Division JP7772044B2 (ja) 2020-06-18 2023-11-27 光学系および光学機器

Publications (2)

Publication Number Publication Date
JPWO2021256065A1 JPWO2021256065A1 (https=) 2021-12-23
JP7400974B2 true JP7400974B2 (ja) 2023-12-19

Family

ID=79267734

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2022532333A Active JP7400974B2 (ja) 2020-06-18 2021-04-12 光学系および光学機器
JP2023199838A Active JP7772044B2 (ja) 2020-06-18 2023-11-27 光学系および光学機器
JP2025186736A Pending JP2026009362A (ja) 2020-06-18 2025-11-05 光学系および光学機器

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2023199838A Active JP7772044B2 (ja) 2020-06-18 2023-11-27 光学系および光学機器
JP2025186736A Pending JP2026009362A (ja) 2020-06-18 2025-11-05 光学系および光学機器

Country Status (4)

Country Link
US (2) US12399353B2 (https=)
JP (3) JP7400974B2 (https=)
CN (1) CN115769125A (https=)
WO (1) WO2021256065A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2026004766A (ja) * 2024-06-26 2026-01-15 キヤノン株式会社 光学系及びそれを有する撮像装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014102462A (ja) 2012-11-22 2014-06-05 Canon Inc ズームレンズ及びそれを有する撮像装置
WO2016194113A1 (ja) 2015-06-01 2016-12-08 オリンパス株式会社 単焦点光学系及びそれを備えた光学装置
JP2017211489A (ja) 2016-05-25 2017-11-30 コニカミノルタ株式会社 撮像レンズ，撮像光学装置及びデジタル機器
JP2017223754A (ja) 2016-06-14 2017-12-21 キヤノン株式会社 撮影レンズ
WO2018135000A1 (ja) 2017-01-23 2018-07-26 エスゼット ディージェイアイ テクノロジー カンパニー リミテッド レンズ系、撮像装置、移動体及びシステム
WO2019097716A1 (ja) 2017-11-20 2019-05-23 株式会社ニコン 変倍光学系、光学装置、および変倍光学系の製造方法
WO2019220614A1 (ja) 2018-05-18 2019-11-21 株式会社ニコン 光学系、光学機器、および光学系の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003322797A (ja) 2002-05-08 2003-11-14 Canon Inc 撮影レンズ及びそれを有する光学機器
JP4115742B2 (ja) 2002-05-10 2008-07-09 株式会社タムロン 望遠マクロレンズ光学系
JP4467920B2 (ja) 2003-08-08 2010-05-26 キヤノン株式会社 撮影レンズ及びそれを有する撮像装置
JP5315562B2 (ja) 2009-02-05 2013-10-16 株式会社タムロン マクロレンズ
US8238044B2 (en) 2009-11-07 2012-08-07 Nikon Corporation Imaging lens, imaging apparatus, and method for manufacturing imaging lens
JP6025440B2 (ja) * 2012-07-31 2016-11-16 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
JP6665615B2 (ja) 2016-03-22 2020-03-13 株式会社シグマ 大口径望遠レンズ
JP2018097134A (ja) * 2016-12-13 2018-06-21 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
JP7171224B2 (ja) 2018-05-01 2022-11-15 キヤノン株式会社 光学系及びそれを有する撮像装置
US11287620B2 (en) * 2019-03-18 2022-03-29 Ricoh Company, Ltd. Zoom lens system, lens barrel, and imaging device
US12366729B2 (en) 2019-04-26 2025-07-22 Nikon Corporation Optical system, optical apparatus, and method for manufacturing optical system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014102462A (ja) 2012-11-22 2014-06-05 Canon Inc ズームレンズ及びそれを有する撮像装置
WO2016194113A1 (ja) 2015-06-01 2016-12-08 オリンパス株式会社 単焦点光学系及びそれを備えた光学装置
JP2017211489A (ja) 2016-05-25 2017-11-30 コニカミノルタ株式会社 撮像レンズ，撮像光学装置及びデジタル機器
JP2017223754A (ja) 2016-06-14 2017-12-21 キヤノン株式会社 撮影レンズ
WO2018135000A1 (ja) 2017-01-23 2018-07-26 エスゼット ディージェイアイ テクノロジー カンパニー リミテッド レンズ系、撮像装置、移動体及びシステム
WO2019097716A1 (ja) 2017-11-20 2019-05-23 株式会社ニコン 変倍光学系、光学装置、および変倍光学系の製造方法
WO2019220614A1 (ja) 2018-05-18 2019-11-21 株式会社ニコン 光学系、光学機器、および光学系の製造方法

Also Published As

Publication number Publication date
US12399353B2 (en) 2025-08-26
JP2024009261A (ja) 2024-01-19
JP2026009362A (ja) 2026-01-19
US20230258914A1 (en) 2023-08-17
JPWO2021256065A1 (https=) 2021-12-23
JP7772044B2 (ja) 2025-11-18
WO2021256065A1 (ja) 2021-12-23
CN115769125A (zh) 2023-03-07
US20250389938A1 (en) 2025-12-25

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