JP7801689B2 - 光学系、画像投写装置および撮像装置 - Google Patents

光学系、画像投写装置および撮像装置

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Publication number
JP7801689B2
JP7801689B2 JP2023520748A JP2023520748A JP7801689B2 JP 7801689 B2 JP7801689 B2 JP 7801689B2 JP 2023520748 A JP2023520748 A JP 2023520748A JP 2023520748 A JP2023520748 A JP 2023520748A JP 7801689 B2 JP7801689 B2 JP 7801689B2
Authority
JP
Japan
Prior art keywords
lens group
optical system
lens
positive
intermediate image
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
JP2023520748A
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English (en)
Japanese (ja)
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JPWO2022239274A1 (https=
Inventor
卓也 今岡
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
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Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of JPWO2022239274A1 publication Critical patent/JPWO2022239274A1/ja
Application granted granted Critical
Publication of JP7801689B2 publication Critical patent/JP7801689B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/04Reversed telephoto objectives
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/0095Relay lenses or rod lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/16Optical 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/143Optical 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
    • G02B15/1431Optical 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
    • G02B15/143103Optical 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 ++-
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/144Optical 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
    • G02B15/1441Optical 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
    • G02B15/144111Optical 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 ++-+
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/16Optical 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
    • G02B15/20Optical 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/18Optical 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)
JP2023520748A 2021-05-10 2021-11-29 光学系、画像投写装置および撮像装置 Active JP7801689B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021079961 2021-05-10
JP2021079961 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 (2)

Publication Number Publication Date
JPWO2022239274A1 JPWO2022239274A1 (https=) 2022-11-17
JP7801689B2 true JP7801689B2 (ja) 2026-01-19

Family

ID=84028137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023520748A Active JP7801689B2 (ja) 2021-05-10 2021-11-29 光学系、画像投写装置および撮像装置

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050259330A1 (en) 2005-07-29 2005-11-24 Panavision International, L.P. Zoom lens system
JP2018036386A (ja) 2016-08-30 2018-03-08 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
JP2019139258A (ja) 2014-03-19 2019-08-22 株式会社nittoh レンズシステムおよび撮像装置
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
WO2020174761A1 (ja) 2019-02-27 2020-09-03 パナソニックIpマネジメント株式会社 交換レンズ、画像投写装置および撮像装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050259330A1 (en) 2005-07-29 2005-11-24 Panavision International, L.P. Zoom lens system
JP2019139258A (ja) 2014-03-19 2019-08-22 株式会社nittoh レンズシステムおよび撮像装置
JP2018036386A (ja) 2016-08-30 2018-03-08 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
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
WO2020174761A1 (ja) 2019-02-27 2020-09-03 パナソニックIpマネジメント株式会社 交換レンズ、画像投写装置および撮像装置

Also Published As

Publication number Publication date
CN117355783A (zh) 2024-01-05
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
WO2022239274A1 (ja) 2022-11-17

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