CN118778232A - 变焦透镜和具有变焦透镜的图像拾取装置 - Google Patents

变焦透镜和具有变焦透镜的图像拾取装置 Download PDF

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Publication number
CN118778232A
CN118778232A CN202410381810.XA CN202410381810A CN118778232A CN 118778232 A CN118778232 A CN 118778232A CN 202410381810 A CN202410381810 A CN 202410381810A CN 118778232 A CN118778232 A CN 118778232A
Authority
CN
China
Prior art keywords
lens
zoom lens
zoom
lens unit
refractive power
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
CN202410381810.XA
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English (en)
Chinese (zh)
Inventor
滝庆行
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 CN118778232A publication Critical patent/CN118778232A/zh
Pending legal-status Critical Current

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Classifications

    • 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 -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
CN202410381810.XA 2023-04-07 2024-04-01 变焦透镜和具有变焦透镜的图像拾取装置 Pending CN118778232A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023-063092 2023-04-07
JP2023063092A JP2024149296A (ja) 2023-04-07 2023-04-07 ズームレンズおよび撮像装置

Publications (1)

Publication Number Publication Date
CN118778232A true CN118778232A (zh) 2024-10-15

Family

ID=92934729

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410381810.XA Pending CN118778232A (zh) 2023-04-07 2024-04-01 变焦透镜和具有变焦透镜的图像拾取装置

Country Status (3)

Country Link
US (2) US12405454B2 (https=)
JP (1) JP2024149296A (https=)
CN (1) CN118778232A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024100168A (ja) * 2023-01-13 2024-07-26 キヤノン株式会社 ステレオ光学系およびそれを有する撮像装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3646717B2 (ja) 2003-02-04 2005-05-11 株式会社ニコン 複数の画面サイズに切り替え可能の魚眼レンズ
JP5833357B2 (ja) 2011-07-01 2015-12-16 株式会社シグマ 超広角レンズ系
WO2015146176A1 (ja) * 2014-03-27 2015-10-01 株式会社ニコン 変倍光学系、撮像装置及び変倍光学系の製造方法
JP2015191065A (ja) * 2014-03-27 2015-11-02 株式会社ニコン ズームレンズ、撮像装置及びズームレンズの製造方法
JP6635252B2 (ja) * 2015-09-24 2020-01-22 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
JP6623652B2 (ja) 2015-09-30 2019-12-25 株式会社ニコン 魚眼ズームレンズ及び光学機器
JP6978851B2 (ja) 2017-05-01 2021-12-08 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
JP6933570B2 (ja) 2017-12-07 2021-09-08 リコーインダストリアルソリューションズ株式会社 投射用ズームレンズおよび投射型画像表示装置

Also Published As

Publication number Publication date
US12405454B2 (en) 2025-09-02
US20250355229A1 (en) 2025-11-20
US20240337820A1 (en) 2024-10-10
JP2024149296A (ja) 2024-10-18

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