JP7344715B2 - ズームレンズおよび撮像装置 - Google Patents

ズームレンズおよび撮像装置 Download PDF

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Publication number
JP7344715B2
JP7344715B2 JP2019149310A JP2019149310A JP7344715B2 JP 7344715 B2 JP7344715 B2 JP 7344715B2 JP 2019149310 A JP2019149310 A JP 2019149310A JP 2019149310 A JP2019149310 A JP 2019149310A JP 7344715 B2 JP7344715 B2 JP 7344715B2
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JP
Japan
Prior art keywords
lens group
lens
refractive power
positive
focal length
Prior art date
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JP2019149310A
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English (en)
Japanese (ja)
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JP2021032925A (ja
JP2021032925A5 (enExample
Inventor
尚利 小川
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
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
Priority to JP2019149310A priority Critical patent/JP7344715B2/ja
Priority to US16/987,675 priority patent/US11187878B2/en
Priority to GB2012700.7A priority patent/GB2590756B/en
Priority to DE102020121413.8A priority patent/DE102020121413B4/de
Priority to CN202010818453.0A priority patent/CN112394499B/zh
Publication of JP2021032925A publication Critical patent/JP2021032925A/ja
Publication of JP2021032925A5 publication Critical patent/JP2021032925A5/ja
Application granted granted Critical
Publication of JP7344715B2 publication Critical patent/JP7344715B2/ja
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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)
JP2019149310A 2019-08-16 2019-08-16 ズームレンズおよび撮像装置 Active JP7344715B2 (ja)

Priority Applications (5)

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
US16/987,675 US11187878B2 (en) 2019-08-16 2020-08-07 Zoom lens and image pickup apparatus
GB2012700.7A GB2590756B (en) 2019-08-16 2020-08-14 Zoom lens and image pickup apparatus
DE102020121413.8A DE102020121413B4 (de) 2019-08-16 2020-08-14 Zoomobjektiv und Bildaufnahmegerät
CN202010818453.0A CN112394499B (zh) 2019-08-16 2020-08-14 变焦镜头和摄像设备

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2021032925A JP2021032925A (ja) 2021-03-01
JP2021032925A5 JP2021032925A5 (enExample) 2022-07-29
JP7344715B2 true JP7344715B2 (ja) 2023-09-14

Family

ID=72615445

Family Applications (1)

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

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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107693A (ja) 2009-10-19 2011-06-02 Canon Inc ズームレンズ及びそれを有する撮像装置
US20120307371A1 (en) 2011-05-30 2012-12-06 Konica Minolta Advanced Layers, Inc. Variable-Focal-Length Projection Lens System and Projection Apparatus
JP2014215586A (ja) 2013-04-30 2014-11-17 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
JP2016024350A (ja) 2014-07-22 2016-02-08 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
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
JP2018132731A (ja) 2017-02-17 2018-08-23 富士フイルム株式会社 ズームレンズおよび撮像装置

Family Cites Families (20)

* 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
JP5693322B2 (ja) * 2011-03-28 2015-04-01 キヤノン株式会社 ズームレンズ及び撮像装置
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
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
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
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
JP6768608B2 (ja) 2017-08-22 2020-10-14 富士フイルム株式会社 ズームレンズ及び撮像装置
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107693A (ja) 2009-10-19 2011-06-02 Canon Inc ズームレンズ及びそれを有する撮像装置
US20120307371A1 (en) 2011-05-30 2012-12-06 Konica Minolta Advanced Layers, Inc. Variable-Focal-Length Projection Lens System and Projection Apparatus
JP2014215586A (ja) 2013-04-30 2014-11-17 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
JP2016024350A (ja) 2014-07-22 2016-02-08 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
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
JP2018132731A (ja) 2017-02-17 2018-08-23 富士フイルム株式会社 ズームレンズおよび撮像装置

Also Published As

Publication number Publication date
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
DE102020121413B4 (de) 2023-11-30

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