DE102020121413B4 - Zoomobjektiv und Bildaufnahmegerät - Google Patents

Zoomobjektiv und Bildaufnahmegerät Download PDF

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Publication number
DE102020121413B4
DE102020121413B4 DE102020121413.8A DE102020121413A DE102020121413B4 DE 102020121413 B4 DE102020121413 B4 DE 102020121413B4 DE 102020121413 A DE102020121413 A DE 102020121413A DE 102020121413 B4 DE102020121413 B4 DE 102020121413B4
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Germany
Prior art keywords
lens
lens unit
positive
zooming
focal length
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Active
Application number
DE102020121413.8A
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German (de)
English (en)
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DE102020121413A1 (de
Inventor
Naotoshi Ogawa
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 DE102020121413A1 publication Critical patent/DE102020121413A1/de
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Publication of DE102020121413B4 publication Critical patent/DE102020121413B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B15/145—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
    • G02B15/1451—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 positive
    • 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
    • G02B15/1451—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 positive
    • G02B15/145125—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 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
    • G02B15/163—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/17—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 first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses 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
    • G02B15/146—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)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
DE102020121413.8A 2019-08-16 2020-08-14 Zoomobjektiv und Bildaufnahmegerät Active DE102020121413B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019149310A JP7344715B2 (ja) 2019-08-16 2019-08-16 ズームレンズおよび撮像装置
JP2019-149310 2019-08-16

Publications (2)

Publication Number Publication Date
DE102020121413A1 DE102020121413A1 (de) 2021-02-18
DE102020121413B4 true DE102020121413B4 (de) 2023-11-30

Family

ID=72615445

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102020121413.8A Active DE102020121413B4 (de) 2019-08-16 2020-08-14 Zoomobjektiv und Bildaufnahmegerät

Country Status (5)

Country Link
US (1) US11187878B2 (enExample)
JP (1) JP7344715B2 (enExample)
CN (1) CN112394499B (enExample)
DE (1) DE102020121413B4 (enExample)
GB (1) GB2590756B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7781560B2 (ja) 2021-08-12 2025-12-08 キヤノン株式会社 ズームレンズおよび撮像装置
JP2023165292A (ja) * 2022-05-02 2023-11-15 キヤノン株式会社 ズームレンズ及び撮像装置
JP2024006718A (ja) * 2022-07-04 2024-01-17 キヤノン株式会社 ズームレンズおよび撮像装置
JP2024076152A (ja) * 2022-11-24 2024-06-05 キヤノン株式会社 ズームレンズおよび撮像装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012203297A (ja) 2011-03-28 2012-10-22 Canon Inc ズームレンズ及び撮像装置
US20160028971A1 (en) 2014-07-22 2016-01-28 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP2019039945A (ja) 2017-08-22 2019-03-14 富士フイルム株式会社 ズームレンズ及び撮像装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004317967A (ja) * 2003-04-18 2004-11-11 Matsushita Electric Ind Co Ltd ズームレンズおよび電子撮像装置
JP4655205B2 (ja) * 2005-05-26 2011-03-23 ソニー株式会社 ズームレンズ及び撮像装置
US8179609B2 (en) * 2009-10-19 2012-05-15 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP5675473B2 (ja) * 2011-04-15 2015-02-25 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
US8699139B2 (en) * 2011-05-30 2014-04-15 Konica Minolta Advanced Layers, Inc. Variable-focal-length projection lens system and projection apparatus
JP5781704B2 (ja) * 2012-11-19 2015-09-24 富士フイルム株式会社 投写用ズームレンズおよび投写型表示装置
US9261682B2 (en) * 2013-02-05 2016-02-16 Olympus Corporation Zoom lens
JP6282043B2 (ja) * 2013-04-30 2018-02-21 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
JP6145052B2 (ja) * 2014-02-17 2017-06-07 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
JP6393109B2 (ja) * 2014-08-21 2018-09-19 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
EP3026480A1 (en) * 2014-11-28 2016-06-01 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP6643024B2 (ja) * 2015-09-30 2020-02-12 キヤノン株式会社 エクステンダレンズ群、ズームレンズおよび撮像装置
EP3159726B1 (en) 2015-10-20 2024-07-03 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP2017181577A (ja) * 2016-03-28 2017-10-05 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
JP2017203927A (ja) * 2016-05-13 2017-11-16 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
DE102016117547A1 (de) * 2016-09-18 2018-03-22 Leica Camera Ag Objektiv fester Brennweite und konstanter Baulänge für Autofokusanwendungen
WO2018079520A1 (ja) * 2016-10-26 2018-05-03 株式会社ニコン 変倍光学系、光学機器、撮像機器、変倍光学系の製造方法
JP6685950B2 (ja) * 2017-02-17 2020-04-22 富士フイルム株式会社 ズームレンズおよび撮像装置
JP7129178B2 (ja) 2018-02-28 2022-09-01 キヤノン株式会社 ズームレンズ及び撮像装置
JP7207854B2 (ja) 2018-02-28 2023-01-18 キヤノン株式会社 ズームレンズ及び撮像装置
JP6772209B2 (ja) 2018-02-28 2020-10-21 キヤノン株式会社 ズームレンズ及び撮像装置
JP2020085934A (ja) 2018-11-15 2020-06-04 キヤノン株式会社 ズームレンズ及び撮像装置
JP7277304B2 (ja) 2019-07-30 2023-05-18 キヤノン株式会社 ズームレンズおよび撮像装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012203297A (ja) 2011-03-28 2012-10-22 Canon Inc ズームレンズ及び撮像装置
US20160028971A1 (en) 2014-07-22 2016-01-28 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP2019039945A (ja) 2017-08-22 2019-03-14 富士フイルム株式会社 ズームレンズ及び撮像装置

Also Published As

Publication number Publication date
JP7344715B2 (ja) 2023-09-14
GB202012700D0 (en) 2020-09-30
US11187878B2 (en) 2021-11-30
DE102020121413A1 (de) 2021-02-18
US20210048654A1 (en) 2021-02-18
GB2590756A (en) 2021-07-07
JP2021032925A (ja) 2021-03-01
CN112394499A (zh) 2021-02-23
CN112394499B (zh) 2023-01-31
GB2590756B (en) 2022-02-23

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