JP6978851B2 - 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
JP6978851B2
JP6978851B2 JP2017091070A JP2017091070A JP6978851B2 JP 6978851 B2 JP6978851 B2 JP 6978851B2 JP 2017091070 A JP2017091070 A JP 2017091070A JP 2017091070 A JP2017091070 A JP 2017091070A JP 6978851 B2 JP6978851 B2 JP 6978851B2
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Japan
Prior art keywords
zoom lens
lens
lens group
wide
optical element
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Application number
JP2017091070A
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English (en)
Japanese (ja)
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JP2018189767A5 (enExample
JP2018189767A (ja
Inventor
勝 坂本
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
Priority to JP2017091070A priority Critical patent/JP6978851B2/ja
Priority to US15/963,521 priority patent/US10642030B2/en
Publication of JP2018189767A publication Critical patent/JP2018189767A/ja
Publication of JP2018189767A5 publication Critical patent/JP2018189767A5/ja
Application granted granted Critical
Publication of JP6978851B2 publication Critical patent/JP6978851B2/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
    • G02B15/1455—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 negative
    • G02B15/145523—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 negative 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
    • G02B15/145—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
    • G02B15/1455—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 negative
    • 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
    • G02B15/1465—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 negative
    • 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
    • G02B15/177—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 negative front lens or group of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/005—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for correction of secondary colour or higher-order chromatic aberrations

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2017091070A 2017-05-01 2017-05-01 ズームレンズ及びそれを有する撮像装置 Active JP6978851B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017091070A JP6978851B2 (ja) 2017-05-01 2017-05-01 ズームレンズ及びそれを有する撮像装置
US15/963,521 US10642030B2 (en) 2017-05-01 2018-04-26 Zoom lens and image pickup apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017091070A JP6978851B2 (ja) 2017-05-01 2017-05-01 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2018189767A JP2018189767A (ja) 2018-11-29
JP2018189767A5 JP2018189767A5 (enExample) 2020-05-28
JP6978851B2 true JP6978851B2 (ja) 2021-12-08

Family

ID=63917183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017091070A Active JP6978851B2 (ja) 2017-05-01 2017-05-01 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) US10642030B2 (enExample)
JP (1) JP6978851B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP7214078B2 (ja) * 2019-04-01 2023-01-30 株式会社ニコン 変倍光学系及び光学機器
JP7577438B2 (ja) * 2019-09-27 2024-11-05 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
CN111929823B (zh) * 2020-09-03 2021-10-01 诚瑞光学(苏州)有限公司 摄像光学镜头
JP7551444B2 (ja) * 2020-10-15 2024-09-17 キヤノン株式会社 ズームレンズおよび撮像装置
JP2023099389A (ja) * 2022-01-01 2023-07-13 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
JP2024149296A (ja) 2023-04-07 2024-10-18 キヤノン株式会社 ズームレンズおよび撮像装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005164773A (ja) * 2003-12-01 2005-06-23 Canon Inc 回折光学素子及びそれを用いた投射用レンズ
EP1818694A1 (en) * 2006-02-14 2007-08-15 DSMIP Assets B.V. Picture frame with an anti reflective glass plate
JP5317553B2 (ja) * 2008-06-27 2013-10-16 キヤノン株式会社 光学系及びそれを用いた光学機器、撮像装置並びに投影装置
JP2010054668A (ja) 2008-08-27 2010-03-11 Canon Inc 光学系及びそれを有する光学機器
JP5300467B2 (ja) * 2008-12-26 2013-09-25 キヤノン株式会社 光学系及びそれを有する光学機器
JP5424745B2 (ja) * 2009-07-02 2014-02-26 キヤノン株式会社 光学系及びそれを有する光学機器
JP6418732B2 (ja) 2013-08-08 2018-11-07 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
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
JP6436687B2 (ja) 2014-08-28 2018-12-12 キヤノン株式会社 ズームレンズ及び撮像装置
JP6485015B2 (ja) * 2014-12-01 2019-03-20 コニカミノルタ株式会社 変倍機能を有する投射レンズ及びプロジェクター
US9904044B2 (en) * 2015-10-20 2018-02-27 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP2018084668A (ja) 2016-11-24 2018-05-31 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
JP6552530B2 (ja) 2017-01-19 2019-07-31 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

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Publication number Publication date
US10642030B2 (en) 2020-05-05
US20180314060A1 (en) 2018-11-01
JP2018189767A (ja) 2018-11-29

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