JP6910819B2 - ズームレンズ及びそれを有する撮像装置 - Google Patents

ズームレンズ及びそれを有する撮像装置 Download PDF

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Publication number
JP6910819B2
JP6910819B2 JP2017037103A JP2017037103A JP6910819B2 JP 6910819 B2 JP6910819 B2 JP 6910819B2 JP 2017037103 A JP2017037103 A JP 2017037103A JP 2017037103 A JP2017037103 A JP 2017037103A JP 6910819 B2 JP6910819 B2 JP 6910819B2
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JP
Japan
Prior art keywords
lens group
lens
refractive power
subgroup
positive refractive
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
JP2017037103A
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English (en)
Japanese (ja)
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JP2018141913A5 (enExample
JP2018141913A (ja
Inventor
正和 小平
正和 小平
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
Original Assignee
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 JP2017037103A priority Critical patent/JP6910819B2/ja
Priority to US15/906,428 priority patent/US10551600B2/en
Publication of JP2018141913A publication Critical patent/JP2018141913A/ja
Publication of JP2018141913A5 publication Critical patent/JP2018141913A5/ja
Application granted granted Critical
Publication of JP6910819B2 publication Critical patent/JP6910819B2/ja
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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
    • G02B15/145121—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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Studio Devices (AREA)
JP2017037103A 2017-02-28 2017-02-28 ズームレンズ及びそれを有する撮像装置 Active JP6910819B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017037103A JP6910819B2 (ja) 2017-02-28 2017-02-28 ズームレンズ及びそれを有する撮像装置
US15/906,428 US10551600B2 (en) 2017-02-28 2018-02-27 Zoom lens and image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017037103A JP6910819B2 (ja) 2017-02-28 2017-02-28 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2018141913A JP2018141913A (ja) 2018-09-13
JP2018141913A5 JP2018141913A5 (enExample) 2020-03-26
JP6910819B2 true JP6910819B2 (ja) 2021-07-28

Family

ID=63246239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017037103A Active JP6910819B2 (ja) 2017-02-28 2017-02-28 ズームレンズ及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US10551600B2 (enExample)
JP (1) JP6910819B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018194750A (ja) * 2017-05-19 2018-12-06 富士フイルム株式会社 ズームレンズおよび撮像装置
JP7039241B6 (ja) 2017-10-12 2022-04-18 キヤノン株式会社 ズームレンズ及び撮像装置
US11061203B2 (en) 2018-01-09 2021-07-13 Canon Kabushiki Kaisha Zoom lens, and image pickup apparatus and image pickup system including the zoom lens
JP7341800B2 (ja) 2019-09-04 2023-09-11 キヤノン株式会社 ズームレンズおよび撮像装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0829738A (ja) 1994-07-18 1996-02-02 Nikon Corp 防振ズームレンズ
JP5332169B2 (ja) * 2007-10-02 2013-11-06 株式会社ニコン ズームレンズと、これを有する光学装置
JP6153488B2 (ja) 2014-03-18 2017-06-28 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
JP6199261B2 (ja) * 2014-08-28 2017-09-20 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6494245B2 (ja) 2014-10-29 2019-04-03 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
US9835932B2 (en) * 2015-01-21 2017-12-05 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, interchangeable lens device, and camera system
WO2016157340A1 (ja) * 2015-03-27 2016-10-06 オリンパス株式会社 ズームレンズ及びそれを備えた撮像装置
JP6541625B2 (ja) 2016-07-05 2019-07-10 キヤノン株式会社 ワイドアタッチメント及びそれを有する撮影レンズ及び撮像装置

Also Published As

Publication number Publication date
US10551600B2 (en) 2020-02-04
JP2018141913A (ja) 2018-09-13
US20180246303A1 (en) 2018-08-30

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