JP7344714B2 - ズームレンズおよび撮像装置 - Google Patents

ズームレンズおよび撮像装置 Download PDF

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Publication number
JP7344714B2
JP7344714B2 JP2019149309A JP2019149309A JP7344714B2 JP 7344714 B2 JP7344714 B2 JP 7344714B2 JP 2019149309 A JP2019149309 A JP 2019149309A JP 2019149309 A JP2019149309 A JP 2019149309A JP 7344714 B2 JP7344714 B2 JP 7344714B2
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JP
Japan
Prior art keywords
lens group
lens
distance
wide
zoom
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Active
Application number
JP2019149309A
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English (en)
Japanese (ja)
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JP2021032924A5 (enExample
JP2021032924A (ja
Inventor
和也 下村
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 JP2019149309A priority Critical patent/JP7344714B2/ja
Priority to US16/988,124 priority patent/US11435564B2/en
Publication of JP2021032924A publication Critical patent/JP2021032924A/ja
Publication of JP2021032924A5 publication Critical patent/JP2021032924A5/ja
Application granted granted Critical
Publication of JP7344714B2 publication Critical patent/JP7344714B2/ja
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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
    • G02B15/145—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
    • G02B15/1451—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 positive
    • G02B15/145125—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 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, 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
    • G02B15/163—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed 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
    • G02B15/22—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 movable lens means specially adapted for focusing at close distances
    • G02B15/24—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 movable lens means specially adapted for focusing at close distances having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2019149309A 2019-08-16 2019-08-16 ズームレンズおよび撮像装置 Active JP7344714B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019149309A JP7344714B2 (ja) 2019-08-16 2019-08-16 ズームレンズおよび撮像装置
US16/988,124 US11435564B2 (en) 2019-08-16 2020-08-07 Zoom lens and image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019149309A JP7344714B2 (ja) 2019-08-16 2019-08-16 ズームレンズおよび撮像装置

Publications (3)

Publication Number Publication Date
JP2021032924A JP2021032924A (ja) 2021-03-01
JP2021032924A5 JP2021032924A5 (enExample) 2022-08-01
JP7344714B2 true JP7344714B2 (ja) 2023-09-14

Family

ID=74567840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019149309A Active JP7344714B2 (ja) 2019-08-16 2019-08-16 ズームレンズおよび撮像装置

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US (1) US11435564B2 (enExample)
JP (1) JP7344714B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7536526B2 (ja) * 2020-06-29 2024-08-20 キヤノン株式会社 ズームレンズおよび撮像装置
JP2022073591A (ja) * 2020-11-02 2022-05-17 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
JP7657601B2 (ja) 2021-02-12 2025-04-07 キヤノン株式会社 ズームレンズおよび撮像装置
JP7614874B2 (ja) 2021-02-12 2025-01-16 キヤノン株式会社 ズームレンズおよび撮像装置
JP7781560B2 (ja) 2021-08-12 2025-12-08 キヤノン株式会社 ズームレンズおよび撮像装置
JP2023165292A (ja) * 2022-05-02 2023-11-15 キヤノン株式会社 ズームレンズ及び撮像装置
JP2025140140A (ja) * 2024-03-13 2025-09-29 富士フイルム株式会社 ズームレンズおよび撮像装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107693A (ja) 2009-10-19 2011-06-02 Canon Inc ズームレンズ及びそれを有する撮像装置
US20140268340A1 (en) 2013-03-12 2014-09-18 Samsung Electronics Co., Ltd. Telephoto zoom lens system and electronic apparatus including the same
JP2015004917A (ja) 2013-06-24 2015-01-08 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

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6288916B2 (ja) 2013-01-23 2018-03-07 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
JP6418732B2 (ja) 2013-08-08 2018-11-07 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
JP6529215B2 (ja) 2013-11-12 2019-06-12 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
JP6251009B2 (ja) 2013-11-12 2017-12-20 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
JP2015094867A (ja) 2013-11-12 2015-05-18 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
JP6347590B2 (ja) 2013-11-12 2018-06-27 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
JP2016109952A (ja) 2014-12-09 2016-06-20 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
JP6356622B2 (ja) 2015-03-17 2018-07-11 富士フイルム株式会社 ズームレンズおよび撮像装置
US9904043B2 (en) 2015-10-20 2018-02-27 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
EP3159726B1 (en) 2015-10-20 2024-07-03 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP6862203B2 (ja) 2017-02-08 2021-04-21 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
JP6685950B2 (ja) * 2017-02-17 2020-04-22 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6768608B2 (ja) * 2017-08-22 2020-10-14 富士フイルム株式会社 ズームレンズ及び撮像装置
JP7129178B2 (ja) 2018-02-28 2022-09-01 キヤノン株式会社 ズームレンズ及び撮像装置
JP6772209B2 (ja) 2018-02-28 2020-10-21 キヤノン株式会社 ズームレンズ及び撮像装置
JP7207854B2 (ja) 2018-02-28 2023-01-18 キヤノン株式会社 ズームレンズ及び撮像装置
JP7061980B2 (ja) * 2019-03-26 2022-05-02 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2020160263A (ja) * 2019-03-26 2020-10-01 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2020160264A (ja) * 2019-03-26 2020-10-01 富士フイルム株式会社 ズームレンズおよび撮像装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107693A (ja) 2009-10-19 2011-06-02 Canon Inc ズームレンズ及びそれを有する撮像装置
US20140268340A1 (en) 2013-03-12 2014-09-18 Samsung Electronics Co., Ltd. Telephoto zoom lens system and electronic apparatus including the same
JP2015004917A (ja) 2013-06-24 2015-01-08 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

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Publication number Publication date
JP2021032924A (ja) 2021-03-01
US11435564B2 (en) 2022-09-06
US20210048655A1 (en) 2021-02-18

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