JP7664544B2 - 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 Download PDF

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Publication number
JP7664544B2
JP7664544B2 JP2022503093A JP2022503093A JP7664544B2 JP 7664544 B2 JP7664544 B2 JP 7664544B2 JP 2022503093 A JP2022503093 A JP 2022503093A JP 2022503093 A JP2022503093 A JP 2022503093A JP 7664544 B2 JP7664544 B2 JP 7664544B2
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Prior art keywords
optical system
lens
lens group
reduction
magnification
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JP2022503093A
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Japanese (ja)
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JPWO2021171713A1 (https=
JPWO2021171713A5 (https=
Inventor
卓也 今岡
慶華 趙
克 山田
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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    • 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
    • G02B15/22—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 movable lens means specially adapted for focusing at close distances
    • 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
    • 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
    • G02B15/1461—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 positive

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2022503093A 2020-02-27 2020-11-18 光学系、画像投写装置および撮像装置 Active JP7664544B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020032016 2020-02-27
JP2020032016 2020-02-27
PCT/JP2020/042935 WO2021171713A1 (ja) 2020-02-27 2020-11-18 光学系、画像投写装置および撮像装置

Publications (3)

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JPWO2021171713A1 JPWO2021171713A1 (https=) 2021-09-02
JPWO2021171713A5 JPWO2021171713A5 (https=) 2023-11-06
JP7664544B2 true JP7664544B2 (ja) 2025-04-18

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JP2022503093A Active JP7664544B2 (ja) 2020-02-27 2020-11-18 光学系、画像投写装置および撮像装置

Country Status (4)

Country Link
US (1) US12422655B2 (https=)
JP (1) JP7664544B2 (https=)
CN (1) CN115176188A (https=)
WO (1) WO2021171713A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008090200A (ja) 2006-10-05 2008-04-17 Sony Corp ズームレンズおよび投射型画像表示装置
JP2010122573A (ja) 2008-11-21 2010-06-03 Sony Corp 投射型画像表示装置および投射光学系
US20150103403A1 (en) 2013-10-10 2015-04-16 Kazuhiro Oe Zoom lens system and imaging apparatus
JP2016143032A (ja) 2015-02-05 2016-08-08 コニカミノルタ株式会社 投影光学系及びプロジェクター
JP2018180447A (ja) 2017-04-20 2018-11-15 コニカミノルタ株式会社 投影光学系及び投影装置
JP2021076771A (ja) 2019-11-12 2021-05-20 キヤノン株式会社 結像光学系およびそれを有する画像投影装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4919392B2 (ja) * 2006-05-10 2012-04-18 富士フイルム株式会社 投影用ズームレンズおよび投写型表示装置
JP6587591B2 (ja) * 2016-08-30 2019-10-09 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
JP2018036390A (ja) * 2016-08-30 2018-03-08 富士フイルム株式会社 広角レンズ、投写型表示装置、および、撮像装置
JP6712932B2 (ja) * 2016-08-30 2020-06-24 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
US10816780B2 (en) * 2017-03-29 2020-10-27 Panasonic Intellectual Property Management Co., Ltd. Lens system, and image projection apparatus and imaging apparatus that include the same
JP6939469B2 (ja) * 2017-11-27 2021-09-22 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
JP2021036251A (ja) * 2017-12-19 2021-03-04 パナソニックＩｐマネジメント株式会社 投写レンズ系及び画像投写装置
US10838179B2 (en) * 2018-02-28 2020-11-17 Fujifilm Corporation Wide-angle lens, projection lens, relay lens, projection-type display apparatus, and relay lens unit
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
JP6791322B2 (ja) * 2019-08-27 2020-11-25 コニカミノルタ株式会社 投影光学系及びプロジェクター

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008090200A (ja) 2006-10-05 2008-04-17 Sony Corp ズームレンズおよび投射型画像表示装置
JP2010122573A (ja) 2008-11-21 2010-06-03 Sony Corp 投射型画像表示装置および投射光学系
US20150103403A1 (en) 2013-10-10 2015-04-16 Kazuhiro Oe Zoom lens system and imaging apparatus
JP2016143032A (ja) 2015-02-05 2016-08-08 コニカミノルタ株式会社 投影光学系及びプロジェクター
JP2018180447A (ja) 2017-04-20 2018-11-15 コニカミノルタ株式会社 投影光学系及び投影装置
JP2021076771A (ja) 2019-11-12 2021-05-20 キヤノン株式会社 結像光学系およびそれを有する画像投影装置

Also Published As

Publication number Publication date
WO2021171713A1 (ja) 2021-09-02
JPWO2021171713A1 (https=) 2021-09-02
US20220397749A1 (en) 2022-12-15
CN115176188A (zh) 2022-10-11
US12422655B2 (en) 2025-09-23

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