CN112394499B - 变焦镜头和摄像设备 - Google Patents

变焦镜头和摄像设备 Download PDF

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Publication number
CN112394499B
CN112394499B CN202010818453.0A CN202010818453A CN112394499B CN 112394499 B CN112394499 B CN 112394499B CN 202010818453 A CN202010818453 A CN 202010818453A CN 112394499 B CN112394499 B CN 112394499B
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China
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lens
lens unit
refractive power
positive
zooming
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CN202010818453.0A
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Chinese (zh)
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CN112394499A (zh
Inventor
小川尚利
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Canon Inc
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Canon Inc
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Publication of CN112394499A publication Critical patent/CN112394499A/zh
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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
    • G02B15/16—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
    • G02B15/145—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
    • G02B15/146—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)
CN202010818453.0A 2019-08-16 2020-08-14 变焦镜头和摄像设备 Active CN112394499B (zh)

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
CN112394499A CN112394499A (zh) 2021-02-23
CN112394499B true CN112394499B (zh) 2023-01-31

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ID=72615445

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CN202010818453.0A Active CN112394499B (zh) 2019-08-16 2020-08-14 变焦镜头和摄像设备

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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

Family Cites Families (26)

* 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
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
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
JP6436668B2 (ja) * 2014-07-22 2018-12-12 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
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

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
GB2590756B (en) 2022-02-23
DE102020121413B4 (de) 2023-11-30

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