GB2574118B - Optical system and imaging apparatus including the same - Google Patents

Optical system and imaging apparatus including the same Download PDF

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Publication number
GB2574118B
GB2574118B GB1905501.1A GB201905501A GB2574118B GB 2574118 B GB2574118 B GB 2574118B GB 201905501 A GB201905501 A GB 201905501A GB 2574118 B GB2574118 B GB 2574118B
Authority
GB
United Kingdom
Prior art keywords
same
optical system
imaging apparatus
apparatus including
imaging
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.)
Active
Application number
GB1905501.1A
Other languages
English (en)
Other versions
GB2574118A (en
GB201905501D0 (en
Inventor
Yokoyama Takayoshi
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 GB201905501D0 publication Critical patent/GB201905501D0/en
Publication of GB2574118A publication Critical patent/GB2574118A/en
Application granted granted Critical
Publication of GB2574118B publication Critical patent/GB2574118B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • 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
    • 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
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4211—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting chromatic aberrations
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Adjustment Of Camera Lenses (AREA)
GB1905501.1A 2018-05-14 2019-04-18 Optical system and imaging apparatus including the same Active GB2574118B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018093366A JP7086709B2 (ja) 2018-05-14 2018-05-14 光学系およびそれを有する撮像装置

Publications (3)

Publication Number Publication Date
GB201905501D0 GB201905501D0 (en) 2019-06-05
GB2574118A GB2574118A (en) 2019-11-27
GB2574118B true GB2574118B (en) 2020-11-25

Family

ID=66810373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1905501.1A Active GB2574118B (en) 2018-05-14 2019-04-18 Optical system and imaging apparatus including the same

Country Status (5)

Country Link
US (1) US11204481B2 (enExample)
JP (1) JP7086709B2 (enExample)
CN (1) CN110488455B (enExample)
DE (1) DE102019112231B4 (enExample)
GB (1) GB2574118B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11372201B2 (en) 2019-04-11 2022-06-28 Canon Kabushiki Kaisha Optical system and imaging apparatus having the same
JP7246240B2 (ja) * 2019-04-23 2023-03-27 株式会社タムロン 撮影レンズ及び撮影装置
DE102020105201A1 (de) 2020-02-27 2021-09-02 Carl Zeiss Ag Kompaktes Teleobjektiv mit diffraktivem optischen Element
CN111736308B (zh) * 2020-07-27 2020-12-22 诚瑞光学(常州)股份有限公司 摄像光学镜头
CN114966919B (zh) * 2021-02-27 2023-04-28 华为技术有限公司 长焦镜头、摄像头模组及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5148314A (en) * 1991-06-06 1992-09-15 Chen Chungte W Optical systems employing refractive and diffractive optical elements to correct for chromatic aberration
US6052234A (en) * 1996-04-16 2000-04-18 Minolta Co., Ltd. Viewfinder optical system
US6097547A (en) * 1997-10-17 2000-08-01 Olympus Optical Co., Ltd. Front converter lens system using a diffractive surface
US20060221460A1 (en) * 2005-04-01 2006-10-05 Canon Kabushiki Kaisha Zoom lens system and image pickup apparatus with the system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10186226A (ja) * 1996-10-24 1998-07-14 Asahi Optical Co Ltd 望遠レンズ
JP3691638B2 (ja) 1997-07-03 2005-09-07 オリンパス株式会社 ズームレンズ及びそれを用いたカメラ
JP4829590B2 (ja) 2005-10-25 2011-12-07 キヤノン株式会社 撮影光学系及びそれを有する撮像装置
JP4898379B2 (ja) 2006-10-11 2012-03-14 キヤノン株式会社 撮影光学系及びそれを有する撮像装置
US9007703B2 (en) 2010-01-20 2015-04-14 Nikon Corporation Imaging lens, optical apparatus equipped therewith, and method for manufacturing imaging lens
JP2012022105A (ja) 2010-07-14 2012-02-02 Canon Inc 光学系及びそれを有する光学機器
CN102959450B (zh) 2010-08-25 2015-06-24 株式会社尼康 显微镜物镜
JP5587225B2 (ja) * 2011-03-09 2014-09-10 キヤノン株式会社 撮影光学系及びそれを有する撮像装置
JP5726004B2 (ja) 2011-07-21 2015-05-27 キヤノン株式会社 撮影光学系及びそれを有する撮像装置
KR20160029591A (ko) * 2014-09-05 2016-03-15 삼성전자주식회사 이너 포커스식 망원 렌즈계 및 이를 포함한 촬영 장치
JP6519229B2 (ja) * 2015-02-27 2019-05-29 株式会社ニコン 撮影レンズ、撮影レンズを備えた光学機器、撮影レンズの製造方法
JP6800616B2 (ja) * 2016-06-01 2020-12-16 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6381582B2 (ja) 2016-06-01 2018-08-29 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2017223753A (ja) * 2016-06-14 2017-12-21 キヤノン株式会社 撮影光学系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
US5148314A (en) * 1991-06-06 1992-09-15 Chen Chungte W Optical systems employing refractive and diffractive optical elements to correct for chromatic aberration
US6052234A (en) * 1996-04-16 2000-04-18 Minolta Co., Ltd. Viewfinder optical system
US6097547A (en) * 1997-10-17 2000-08-01 Olympus Optical Co., Ltd. Front converter lens system using a diffractive surface
US20060221460A1 (en) * 2005-04-01 2006-10-05 Canon Kabushiki Kaisha Zoom lens system and image pickup apparatus with the system

Also Published As

Publication number Publication date
US20190346660A1 (en) 2019-11-14
DE102019112231A1 (de) 2019-11-14
DE102019112231B4 (de) 2021-03-18
GB2574118A (en) 2019-11-27
CN110488455B (zh) 2022-04-26
JP2019200248A (ja) 2019-11-21
GB201905501D0 (en) 2019-06-05
CN110488455A (zh) 2019-11-22
JP7086709B2 (ja) 2022-06-20
US11204481B2 (en) 2021-12-21

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