JP7494018B2 - 光学系およびそれを有する撮像装置 - Google Patents

光学系およびそれを有する撮像装置 Download PDF

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Publication number
JP7494018B2
JP7494018B2 JP2020099057A JP2020099057A JP7494018B2 JP 7494018 B2 JP7494018 B2 JP 7494018B2 JP 2020099057 A JP2020099057 A JP 2020099057A JP 2020099057 A JP2020099057 A JP 2020099057A JP 7494018 B2 JP7494018 B2 JP 7494018B2
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JP
Japan
Prior art keywords
group
optical system
lens
focus
focus group
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Active
Application number
JP2020099057A
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English (en)
Japanese (ja)
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JP2021193406A5 (https=
JP2021193406A (ja
Inventor
貴洋 小宮山
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.)
Canon Inc
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Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2020099057A priority Critical patent/JP7494018B2/ja
Priority to US17/336,934 priority patent/US11782252B2/en
Publication of JP2021193406A publication Critical patent/JP2021193406A/ja
Publication of JP2021193406A5 publication Critical patent/JP2021193406A5/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
    • G02B15/145—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 five groups only
    • G02B15/1455—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 five groups only the first group being negative
    • G02B15/145505—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 five groups only the first group being negative 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2020099057A 2020-06-08 2020-06-08 光学系およびそれを有する撮像装置 Active JP7494018B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020099057A JP7494018B2 (ja) 2020-06-08 2020-06-08 光学系およびそれを有する撮像装置
US17/336,934 US11782252B2 (en) 2020-06-08 2021-06-02 Optical system and image capturing apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020099057A JP7494018B2 (ja) 2020-06-08 2020-06-08 光学系およびそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2021193406A JP2021193406A (ja) 2021-12-23
JP2021193406A5 JP2021193406A5 (https=) 2023-06-06
JP7494018B2 true JP7494018B2 (ja) 2024-06-03

Family

ID=78817350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020099057A Active JP7494018B2 (ja) 2020-06-08 2020-06-08 光学系およびそれを有する撮像装置

Country Status (2)

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US (1) US11782252B2 (https=)
JP (1) JP7494018B2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7697217B2 (ja) * 2021-02-01 2025-06-24 株式会社リコー 単焦点レンズ、交換レンズ及び撮像装置
CN120225935A (zh) * 2022-11-24 2025-06-27 富士胶片株式会社 成像透镜及摄像装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012242742A (ja) 2011-05-23 2012-12-10 Canon Inc 撮影光学系及びそれを有する撮像装置
WO2014129187A1 (ja) 2013-02-22 2014-08-28 パナソニック株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
JP2017129668A (ja) 2016-01-19 2017-07-27 株式会社ニコン 変倍光学系、光学機器及び変倍光学系の製造方法
WO2021220579A1 (ja) 2020-05-01 2021-11-04 株式会社ニコン 光学系、光学機器及び光学系の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5973252B2 (ja) * 2012-06-22 2016-08-23 株式会社タムロン ズームレンズ及びそれを備えた撮像装置
JP6296804B2 (ja) 2014-01-22 2018-03-20 キヤノン株式会社 光学系及びそれを有する撮像装置
JP7163126B2 (ja) * 2018-10-09 2022-10-31 キヤノン株式会社 光学系及び撮像装置
JP7179595B2 (ja) * 2018-11-30 2022-11-29 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012242742A (ja) 2011-05-23 2012-12-10 Canon Inc 撮影光学系及びそれを有する撮像装置
WO2014129187A1 (ja) 2013-02-22 2014-08-28 パナソニック株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
JP2017129668A (ja) 2016-01-19 2017-07-27 株式会社ニコン 変倍光学系、光学機器及び変倍光学系の製造方法
WO2021220579A1 (ja) 2020-05-01 2021-11-04 株式会社ニコン 光学系、光学機器及び光学系の製造方法

Also Published As

Publication number Publication date
US20210382283A1 (en) 2021-12-09
US11782252B2 (en) 2023-10-10
JP2021193406A (ja) 2021-12-23

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