CN117355783A - 光学系统、图像投影装置以及摄像装置 - Google Patents

光学系统、图像投影装置以及摄像装置 Download PDF

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Publication number
CN117355783A
CN117355783A CN202180097595.5A CN202180097595A CN117355783A CN 117355783 A CN117355783 A CN 117355783A CN 202180097595 A CN202180097595 A CN 202180097595A CN 117355783 A CN117355783 A CN 117355783A
Authority
CN
China
Prior art keywords
optical system
lens group
lens
magnification
positive
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
CN202180097595.5A
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English (en)
Chinese (zh)
Inventor
今冈卓也
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of CN117355783A publication Critical patent/CN117355783A/zh
Pending legal-status Critical Current

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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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143103—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 three groups only the first group being positive arranged ++-
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/0095—Relay lenses or rod lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • 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
    • G02B15/1441—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 positive
    • G02B15/144111—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 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
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
CN202180097595.5A 2021-05-10 2021-11-29 光学系统、图像投影装置以及摄像装置 Pending CN117355783A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021079961 2021-05-10
JP2021-079961 2021-05-10
PCT/JP2021/043684 WO2022239274A1 (ja) 2021-05-10 2021-11-29 光学系、画像投写装置および撮像装置

Publications (1)

Publication Number Publication Date
CN117355783A true CN117355783A (zh) 2024-01-05

Family

ID=84028137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180097595.5A Pending CN117355783A (zh) 2021-05-10 2021-11-29 光学系统、图像投影装置以及摄像装置

Country Status (5)

Country Link
US (1) US12560786B2 (https=)
EP (1) EP4339678B1 (https=)
JP (1) JP7801689B2 (https=)
CN (1) CN117355783A (https=)
WO (1) WO2022239274A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024103370A (ja) * 2023-01-20 2024-08-01 富士フイルム株式会社 ズームレンズ、投写型表示装置、および撮像装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7224535B2 (en) * 2005-07-29 2007-05-29 Panavision International, L.P. Zoom lens system
JP5179216B2 (ja) * 2008-02-14 2013-04-10 富士フイルム株式会社 ズームレンズ
JP5871743B2 (ja) * 2012-07-31 2016-03-01 キヤノン株式会社 結像光学系、及びそれを用いた投射型画像表示装置、撮像装置
JP6253437B2 (ja) * 2014-02-14 2017-12-27 キヤノン株式会社 結像光学系及びそれを有する画像投射装置
US9910251B2 (en) * 2014-03-19 2018-03-06 Nittoh Inc. Lens system and imaging apparatus having a lens at each side of an intermediate image which move in synchronization during focusing
JP6556106B2 (ja) * 2016-08-30 2019-08-07 富士フイルム株式会社 ズームレンズ、投写型表示装置、および、撮像装置
JP6625028B2 (ja) * 2016-08-30 2019-12-25 富士フイルム株式会社 ズームレンズ、撮像装置、および投写型表示装置
JP6836141B2 (ja) * 2016-12-09 2021-02-24 セイコーエプソン株式会社 投写光学系および投写型画像表示装置
JP6589243B2 (ja) * 2016-12-21 2019-10-16 株式会社ｎｉｔｔｏｈ 投射光学系およびプロジェクタ
JP7154769B2 (ja) 2018-01-29 2022-10-18 キヤノン株式会社 結像光学系および画像投射装置
JP6858153B2 (ja) * 2018-03-28 2021-04-14 富士フイルム株式会社 結像光学系、投写型表示装置、および撮像装置
JP2021167848A (ja) * 2018-07-03 2021-10-21 株式会社nittoh 投射光学系およびプロジェクタ
JPWO2020045559A1 (ja) * 2018-08-30 2021-08-26 株式会社ｎｉｔｔｏｈ 中間像が内部に形成される光学系
JP2020106660A (ja) * 2018-12-27 2020-07-09 株式会社ｎｉｔｔｏｈ リレー光学系および投射光学系
WO2020137884A1 (ja) * 2018-12-27 2020-07-02 株式会社ｎｉｔｔｏｈ 投射光学系およびプロジェクタ
CN113348395B (zh) * 2019-01-25 2023-03-14 松下知识产权经营株式会社 光学系统、图像投影装置以及摄像装置
WO2020152942A1 (ja) * 2019-01-25 2020-07-30 パナソニックＩｐマネジメント株式会社 光学系、画像投写装置および撮像装置
CN113424089B (zh) 2019-02-27 2024-04-02 松下知识产权经营株式会社 可更换镜头、图像投影装置以及摄像装置
JP7252617B2 (ja) * 2019-06-25 2023-04-05 株式会社nittoh 投射光学系およびプロジェクタ装置
JP2021026087A (ja) * 2019-08-02 2021-02-22 キヤノン株式会社 ズームレンズ、画像投写装置、および、撮像装置
CN116868103A (zh) * 2021-02-16 2023-10-10 松下知识产权经营株式会社 光学系统、图像投影装置以及摄像装置
JP7607486B2 (ja) * 2021-03-24 2024-12-27 富士フイルム株式会社 ズームレンズ、投写型表示装置、および撮像装置

Also Published As

Publication number Publication date
EP4339678A4 (en) 2024-11-20
US12560786B2 (en) 2026-02-24
EP4339678B1 (en) 2025-11-26
EP4339678A1 (en) 2024-03-20
US20240045185A1 (en) 2024-02-08
JPWO2022239274A1 (https=) 2022-11-17
JP7801689B2 (ja) 2026-01-19
WO2022239274A1 (ja) 2022-11-17

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