GB2625907A - Zoom lens, and image pickup apparatus having the same - Google Patents

Zoom lens, and image pickup apparatus having the same Download PDF

Info

Publication number
GB2625907A
GB2625907A GB2317355.2A GB202317355A GB2625907A GB 2625907 A GB2625907 A GB 2625907A GB 202317355 A GB202317355 A GB 202317355A GB 2625907 A GB2625907 A GB 2625907A
Authority
GB
United Kingdom
Prior art keywords
lens
lens unit
zoom lens
zoom
focal length
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
GB2317355.2A
Other languages
English (en)
Other versions
GB202317355D0 (en
Inventor
Nakada Takeharu
Iwamoto Shunji
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
Original Assignee
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
Publication of GB202317355D0 publication Critical patent/GB202317355D0/en
Publication of GB2625907A publication Critical patent/GB2625907A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • 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
    • G02B15/15—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 compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation
    • 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
    • G02B15/16—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
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
GB2317355.2A 2022-11-25 2023-11-13 Zoom lens, and image pickup apparatus having the same Pending GB2625907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022188559A JP2024076793A (ja) 2022-11-25 2022-11-25 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

Publications (2)

Publication Number Publication Date
GB202317355D0 GB202317355D0 (en) 2023-12-27
GB2625907A true GB2625907A (en) 2024-07-03

Family

ID=89225017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2317355.2A Pending GB2625907A (en) 2022-11-25 2023-11-13 Zoom lens, and image pickup apparatus having the same

Country Status (5)

Country Link
US (1) US20240176118A1 (https=)
JP (1) JP2024076793A (https=)
CN (1) CN118091907A (https=)
DE (1) DE102023132645A1 (https=)
GB (1) GB2625907A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024079936A (ja) 2022-12-01 2024-06-13 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、撮像システム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012027262A (ja) * 2010-07-23 2012-02-09 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
US20140152887A1 (en) * 2012-12-04 2014-06-05 Samsung Electronics Co., Ltd. Zoom lens and electronic device including the same
US20180074300A1 (en) * 2016-09-14 2018-03-15 Canon Kabushiki Kaisha Optical system and image pickup apparatus including the same
US20210018721A1 (en) * 2019-07-18 2021-01-21 Canon Kabushiki Kaisha Optical system and optical apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011059496A (ja) * 2009-09-11 2011-03-24 Fujifilm Corp ズームレンズおよび撮像装置
JP2012027261A (ja) * 2010-07-23 2012-02-09 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP6450950B2 (ja) * 2016-10-31 2019-01-16 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Ｓｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ ズームレンズ、撮像装置、移動体及びシステム
JP7027170B2 (ja) * 2018-01-09 2022-03-01 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、撮像システム
JP7183032B2 (ja) 2018-12-25 2022-12-05 株式会社タムロン ズームレンズ及び撮像装置
JP7772574B2 (ja) * 2021-01-21 2025-11-18 富士フイルム株式会社 ズームレンズおよび撮像装置
JP7690966B2 (ja) * 2021-02-12 2025-06-11 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
JP7826632B2 (ja) * 2021-09-17 2026-03-10 ソニーグループ株式会社 ズームレンズ、および撮像装置
CN118805114A (zh) * 2022-03-24 2024-10-18 株式会社尼康 变倍光学系统、光学设备及变倍光学系统的制造方法
JPWO2024053269A1 (https=) * 2022-09-09 2024-03-14

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012027262A (ja) * 2010-07-23 2012-02-09 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
US20140152887A1 (en) * 2012-12-04 2014-06-05 Samsung Electronics Co., Ltd. Zoom lens and electronic device including the same
US20180074300A1 (en) * 2016-09-14 2018-03-15 Canon Kabushiki Kaisha Optical system and image pickup apparatus including the same
US20210018721A1 (en) * 2019-07-18 2021-01-21 Canon Kabushiki Kaisha Optical system and optical apparatus

Also Published As

Publication number Publication date
GB202317355D0 (en) 2023-12-27
US20240176118A1 (en) 2024-05-30
CN118091907A (zh) 2024-05-28
JP2024076793A (ja) 2024-06-06
DE102023132645A1 (de) 2024-05-29

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