CN114355587B - 变焦透镜和图像拾取装置 - Google Patents

变焦透镜和图像拾取装置 Download PDF

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Publication number
CN114355587B
CN114355587B CN202111184785.9A CN202111184785A CN114355587B CN 114355587 B CN114355587 B CN 114355587B CN 202111184785 A CN202111184785 A CN 202111184785A CN 114355587 B CN114355587 B CN 114355587B
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CN
China
Prior art keywords
lens
lens unit
zoom lens
zoom
denotes
Prior art date
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Active
Application number
CN202111184785.9A
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English (en)
Chinese (zh)
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CN114355587A (zh
Inventor
市村纯也
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
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN114355587A publication Critical patent/CN114355587A/zh
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Publication of CN114355587B publication Critical patent/CN114355587B/zh
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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
    • G02B15/145—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
    • G02B15/145519—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
    • 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
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • 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
    • G02B15/1465—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 negative
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Adjustment Of Camera Lenses (AREA)
CN202111184785.9A 2020-10-12 2021-10-12 变焦透镜和图像拾取装置 Active CN114355587B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020172111A JP7543074B2 (ja) 2020-10-12 2020-10-12 ズームレンズおよび撮像装置
JP2020-172111 2020-10-12

Publications (2)

Publication Number Publication Date
CN114355587A CN114355587A (zh) 2022-04-15
CN114355587B true CN114355587B (zh) 2024-06-14

Family

ID=78085862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111184785.9A Active CN114355587B (zh) 2020-10-12 2021-10-12 变焦透镜和图像拾取装置

Country Status (4)

Country Link
US (1) US12066608B2 (enExample)
EP (1) EP3982184A1 (enExample)
JP (1) JP7543074B2 (enExample)
CN (1) CN114355587B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7757175B2 (ja) * 2021-12-21 2025-10-21 富士フイルム株式会社 変倍光学系および撮像装置
CN119729182A (zh) * 2023-09-27 2025-03-28 广州视源电子科技股份有限公司 用于视频会议的图像采集装置、终端、方法及存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748384A (en) * 1995-09-20 1998-05-05 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4505910B2 (ja) 1999-12-08 2010-07-21 株式会社ニコン ズームレンズ及び該レンズを備える撮影装置
JP2002055280A (ja) 2000-08-11 2002-02-20 Canon Inc ズームレンズ及びそれを用いた画像投射装置
JP4380086B2 (ja) 2001-05-23 2009-12-09 コニカミノルタオプト株式会社 ズームレンズ
JP4989152B2 (ja) 2006-08-11 2012-08-01 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
JP5489686B2 (ja) 2009-12-11 2014-05-14 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
JP5355474B2 (ja) 2010-03-31 2013-11-27 キヤノン株式会社 ズームレンズおよび光学機器
JP5709640B2 (ja) 2010-06-09 2015-04-30 キヤノン株式会社 ズームレンズ及びそれを有する画像投射装置
JP5606201B2 (ja) 2010-07-24 2014-10-15 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
US9256059B2 (en) 2012-07-10 2016-02-09 Konica Minolta, Inc. Zoom lens system, imaging optical device, and digital appliance
JP6422231B2 (ja) 2013-04-25 2018-11-14 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
JP6347739B2 (ja) * 2014-12-22 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
JP6917538B2 (ja) 2017-04-17 2021-08-11 パナソニックＩｐマネジメント株式会社 撮像光学系、撮像装置、カメラシステム
JP6991814B2 (ja) 2017-09-29 2022-01-13 キヤノン株式会社 ズームレンズ及び撮像装置
US12265206B2 (en) * 2020-10-08 2025-04-01 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748384A (en) * 1995-09-20 1998-05-05 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens

Also Published As

Publication number Publication date
JP2022063727A (ja) 2022-04-22
EP3982184A1 (en) 2022-04-13
JP7543074B2 (ja) 2024-09-02
CN114355587A (zh) 2022-04-15
US20220113522A1 (en) 2022-04-14
US12066608B2 (en) 2024-08-20

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