JP7086579B2 - ズームレンズ及び撮像装置 - Google Patents

ズームレンズ及び撮像装置 Download PDF

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Publication number
JP7086579B2
JP7086579B2 JP2017225560A JP2017225560A JP7086579B2 JP 7086579 B2 JP7086579 B2 JP 7086579B2 JP 2017225560 A JP2017225560 A JP 2017225560A JP 2017225560 A JP2017225560 A JP 2017225560A JP 7086579 B2 JP7086579 B2 JP 7086579B2
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Japan
Prior art keywords
lens
lens group
negative
zoom
focal length
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English (en)
Japanese (ja)
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JP2019095640A5 (https=
JP2019095640A (ja
Inventor
誠 中原
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2017225560A priority Critical patent/JP7086579B2/ja
Priority to US16/194,860 priority patent/US10754131B2/en
Publication of JP2019095640A publication Critical patent/JP2019095640A/ja
Publication of JP2019095640A5 publication Critical patent/JP2019095640A5/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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144105—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 four groups only the first group being positive arranged +-+-
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • 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
    • G02B15/20—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 an additional movable lens or lens group for varying the objective focal length

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2017225560A 2017-11-24 2017-11-24 ズームレンズ及び撮像装置 Active JP7086579B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017225560A JP7086579B2 (ja) 2017-11-24 2017-11-24 ズームレンズ及び撮像装置
US16/194,860 US10754131B2 (en) 2017-11-24 2018-11-19 Zoom lens and image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017225560A JP7086579B2 (ja) 2017-11-24 2017-11-24 ズームレンズ及び撮像装置

Publications (3)

Publication Number Publication Date
JP2019095640A JP2019095640A (ja) 2019-06-20
JP2019095640A5 JP2019095640A5 (https=) 2021-01-07
JP7086579B2 true JP7086579B2 (ja) 2022-06-20

Family

ID=66633116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017225560A Active JP7086579B2 (ja) 2017-11-24 2017-11-24 ズームレンズ及び撮像装置

Country Status (2)

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US (1) US10754131B2 (https=)
JP (1) JP7086579B2 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7412914B2 (ja) 2019-07-29 2024-01-15 キヤノン株式会社 ズームレンズおよび光学機器
CN113759501B (zh) * 2020-06-05 2022-09-09 浙江舜宇光学有限公司 一种光学成像镜头
JP7630997B2 (ja) * 2021-01-07 2025-02-18 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
JP7809520B2 (ja) 2022-01-01 2026-02-02 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置
JP7494228B2 (ja) 2022-01-01 2024-06-03 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置
JP7625559B2 (ja) 2022-08-08 2025-02-03 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置、撮像システム

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007072117A (ja) 2005-09-06 2007-03-22 Ricoh Co Ltd 可変焦点距離レンズ，撮影レンズユニットおよびカメラ
JP2008070410A (ja) 2006-09-12 2008-03-27 Olympus Imaging Corp ズームレンズ
JP2009294302A (ja) 2008-06-03 2009-12-17 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2009294304A (ja) 2008-06-03 2009-12-17 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2011232624A (ja) 2010-04-28 2011-11-17 Olympus Imaging Corp 撮像装置
JP2012027261A (ja) 2010-07-23 2012-02-09 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP2013025086A (ja) 2011-07-21 2013-02-04 Canon Inc ズームレンズ及びそれを有する撮像装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10268195A (ja) 1997-03-26 1998-10-09 Nikon Corp 近距離合焦可能な変倍光学系
JP3524408B2 (ja) * 1998-01-06 2004-05-10 キヤノン株式会社 観察光学系及びそれを有する光学機器
JP4590826B2 (ja) 2003-02-25 2010-12-01 株式会社ニコン 可変焦点距離レンズ系
CN107942531A (zh) 2010-12-17 2018-04-20 株式会社尼康 光学系统
JP5948840B2 (ja) 2010-12-17 2016-07-06 株式会社ニコン 光学系、撮像装置、光学系の製造方法
JP6422231B2 (ja) 2013-04-25 2018-11-14 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
JP6304967B2 (ja) 2013-08-05 2018-04-04 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
JP6562612B2 (ja) 2014-10-03 2019-08-21 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
JP6478900B2 (ja) 2015-11-09 2019-03-06 キヤノン株式会社 レンズ装置及びそれを有する撮像装置
JP6615159B2 (ja) 2017-08-07 2019-12-04 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6615160B2 (ja) 2017-08-07 2019-12-04 キヤノン株式会社 光学系及びそれを有する撮像装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007072117A (ja) 2005-09-06 2007-03-22 Ricoh Co Ltd 可変焦点距離レンズ，撮影レンズユニットおよびカメラ
JP2008070410A (ja) 2006-09-12 2008-03-27 Olympus Imaging Corp ズームレンズ
JP2009294302A (ja) 2008-06-03 2009-12-17 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2009294304A (ja) 2008-06-03 2009-12-17 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2011232624A (ja) 2010-04-28 2011-11-17 Olympus Imaging Corp 撮像装置
JP2012027261A (ja) 2010-07-23 2012-02-09 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP2013025086A (ja) 2011-07-21 2013-02-04 Canon Inc ズームレンズ及びそれを有する撮像装置

Also Published As

Publication number Publication date
JP2019095640A (ja) 2019-06-20
US10754131B2 (en) 2020-08-25
US20190162940A1 (en) 2019-05-30

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