JP7364084B2 - 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

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Publication number
JP7364084B2
JP7364084B2 JP2022540080A JP2022540080A JP7364084B2 JP 7364084 B2 JP7364084 B2 JP 7364084B2 JP 2022540080 A JP2022540080 A JP 2022540080A JP 2022540080 A JP2022540080 A JP 2022540080A JP 7364084 B2 JP7364084 B2 JP 7364084B2
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Japan
Prior art keywords
lens group
focusing
optical system
lens
conditional expression
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JP2022540080A
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English (en)
Japanese (ja)
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JPWO2022024622A1 (https=
Inventor
幸介 町田
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Nikon Corp
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Nikon Corp
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Publication of JPWO2022024622A1 publication Critical patent/JPWO2022024622A1/ja
Priority to JP2023172446A priority Critical patent/JP2023171918A/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
    • G02B15/146—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
    • 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
    • G02B15/16—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
    • G02B15/177—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 a negative front lens or group of lenses
    • 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)
JP2022540080A 2020-07-28 2021-06-25 変倍光学系および光学機器 Active JP7364084B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023172446A JP2023171918A (ja) 2020-07-28 2023-10-04 変倍光学系、光学機器、および変倍光学系の製造方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020126910 2020-07-28
JP2020126910 2020-07-28
PCT/JP2021/024061 WO2022024622A1 (ja) 2020-07-28 2021-06-25 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)

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JP2023172446A Division JP2023171918A (ja) 2020-07-28 2023-10-04 変倍光学系、光学機器、および変倍光学系の製造方法

Publications (2)

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JPWO2022024622A1 JPWO2022024622A1 (https=) 2022-02-03
JP7364084B2 true JP7364084B2 (ja) 2023-10-18

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JP2022540080A Active JP7364084B2 (ja) 2020-07-28 2021-06-25 変倍光学系および光学機器
JP2023172446A Pending JP2023171918A (ja) 2020-07-28 2023-10-04 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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JP2023172446A Pending JP2023171918A (ja) 2020-07-28 2023-10-04 変倍光学系、光学機器、および変倍光学系の製造方法

Country Status (4)

Country Link
US (1) US20230273415A1 (https=)
JP (2) JP7364084B2 (https=)
CN (1) CN115867845B (https=)
WO (1) WO2022024622A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015146067A1 (ja) 2014-03-28 2015-10-01 パナソニックＩｐマネジメント株式会社 ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2015215438A (ja) 2014-05-09 2015-12-03 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
JP2019184632A (ja) 2018-04-02 2019-10-24 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
JP2020052338A (ja) 2018-09-28 2020-04-02 株式会社タムロン ズームレンズ及び撮像装置
JP2020064175A (ja) 2018-10-17 2020-04-23 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
JP2020086324A (ja) 2018-11-30 2020-06-04 株式会社タムロン ズームレンズ及び撮像装置
JP2020106627A (ja) 2018-12-27 2020-07-09 キヤノン株式会社 光学系及びそれを有する撮像装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4931121B2 (ja) * 2006-09-28 2012-05-16 オリンパスイメージング株式会社 光路を反射する反射面を備えたズームレンズ及びそれを備えた撮像装置
KR101706266B1 (ko) * 2009-12-24 2017-02-27 삼성전자주식회사 줌 렌즈 및 이를 구비한 촬영 장치
JP2014066945A (ja) * 2012-09-27 2014-04-17 Sony Corp ズームレンズおよび撮像装置
WO2015146175A1 (ja) * 2014-03-27 2015-10-01 株式会社ニコン ズームレンズ、撮像装置及びズームレンズの製造方法
US9835932B2 (en) * 2015-01-21 2017-12-05 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, interchangeable lens device, and camera system
US12529873B2 (en) * 2018-11-20 2026-01-20 Nikon Corporation Zoom optical system, optical device, and method for manufacturing zoom optical system
JP7150625B2 (ja) * 2019-01-23 2022-10-11 キヤノン株式会社 ズームレンズ、撮像装置、レンズ装置
JP7277288B2 (ja) * 2019-07-02 2023-05-18 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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015146067A1 (ja) 2014-03-28 2015-10-01 パナソニックＩｐマネジメント株式会社 ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2015215438A (ja) 2014-05-09 2015-12-03 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
JP2019184632A (ja) 2018-04-02 2019-10-24 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
JP2020052338A (ja) 2018-09-28 2020-04-02 株式会社タムロン ズームレンズ及び撮像装置
JP2020064175A (ja) 2018-10-17 2020-04-23 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
JP2020086324A (ja) 2018-11-30 2020-06-04 株式会社タムロン ズームレンズ及び撮像装置
JP2020106627A (ja) 2018-12-27 2020-07-09 キヤノン株式会社 光学系及びそれを有する撮像装置

Also Published As

Publication number Publication date
JPWO2022024622A1 (https=) 2022-02-03
CN115867845B (zh) 2026-04-17
CN115867845A (zh) 2023-03-28
WO2022024622A1 (ja) 2022-02-03
JP2023171918A (ja) 2023-12-05
US20230273415A1 (en) 2023-08-31

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