JP7005312B2 - 光学系及びそれを有する撮像装置 - Google Patents

光学系及びそれを有する撮像装置 Download PDF

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Publication number
JP7005312B2
JP7005312B2 JP2017223150A JP2017223150A JP7005312B2 JP 7005312 B2 JP7005312 B2 JP 7005312B2 JP 2017223150 A JP2017223150 A JP 2017223150A JP 2017223150 A JP2017223150 A JP 2017223150A JP 7005312 B2 JP7005312 B2 JP 7005312B2
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Japan
Prior art keywords
lens
optical system
lens group
negative
positive
Prior art date
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Active
Application number
JP2017223150A
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English (en)
Japanese (ja)
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JP2019095525A (ja
JP2019095525A5 (enExample
Inventor
慎一郎 齋藤
誠 中原
卓 井上
章 水間
正和 山岸
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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 JP2017223150A priority Critical patent/JP7005312B2/ja
Priority to US16/178,364 priority patent/US11042012B2/en
Publication of JP2019095525A publication Critical patent/JP2019095525A/ja
Publication of JP2019095525A5 publication Critical patent/JP2019095525A5/ja
Priority to JP2022000492A priority patent/JP7183456B2/ja
Application granted granted Critical
Publication of JP7005312B2 publication Critical patent/JP7005312B2/ja
Active legal-status Critical Current
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    • 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 -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • 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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143101—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 three 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
    • 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
    • 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
    • G02B27/0062—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 by controlling the dispersion of a lens material, e.g. adapting the relative partial dispersion
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2017223150A 2017-11-20 2017-11-20 光学系及びそれを有する撮像装置 Active JP7005312B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017223150A JP7005312B2 (ja) 2017-11-20 2017-11-20 光学系及びそれを有する撮像装置
US16/178,364 US11042012B2 (en) 2017-11-20 2018-11-01 Optical system and imaging apparatus including the same
JP2022000492A JP7183456B2 (ja) 2017-11-20 2022-01-05 光学系及びそれを有する撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017223150A JP7005312B2 (ja) 2017-11-20 2017-11-20 光学系及びそれを有する撮像装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022000492A Division JP7183456B2 (ja) 2017-11-20 2022-01-05 光学系及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2019095525A JP2019095525A (ja) 2019-06-20
JP2019095525A5 JP2019095525A5 (enExample) 2020-12-24
JP7005312B2 true JP7005312B2 (ja) 2022-01-21

Family

ID=66532344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017223150A Active JP7005312B2 (ja) 2017-11-20 2017-11-20 光学系及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US11042012B2 (enExample)
JP (1) JP7005312B2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022033291A (ja) * 2017-11-20 2022-02-28 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2023009230A (ja) * 2022-01-05 2023-01-19 キヤノン株式会社 光学系及びそれを有する撮像装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113906324B (zh) * 2019-06-04 2025-04-01 索尼集团公司 光学系统以及摄像装置
JP7241674B2 (ja) * 2019-06-27 2023-03-17 富士フイルム株式会社 撮像レンズおよび撮像装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014026210A (ja) 2012-07-30 2014-02-06 Canon Inc 光学系及びそれを有する光学機器
JP2014056195A (ja) 2012-09-14 2014-03-27 Canon Inc 撮像光学系及びそれを有する撮像装置
JP2016148793A (ja) 2015-02-13 2016-08-18 富士フイルム株式会社 撮像レンズおよび撮像装置
JP2016148699A (ja) 2015-02-10 2016-08-18 オリンパス株式会社 望遠レンズ及びそれを有する撮像装置
JP2016173397A (ja) 2015-03-16 2016-09-29 富士フイルム株式会社 撮像レンズおよび撮像装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3288746B2 (ja) * 1992-04-16 2002-06-04 旭光学工業株式会社 望遠レンズ
JP5218366B2 (ja) 2009-10-07 2013-06-26 トヨタ自動車株式会社 車両用プログラム更新装置
JP5264674B2 (ja) 2009-10-16 2013-08-14 キヤノン株式会社 光学系及びそれを有する光学機器
JP5726004B2 (ja) * 2011-07-21 2015-05-27 キヤノン株式会社 撮影光学系及びそれを有する撮像装置
JP6331673B2 (ja) 2014-05-13 2018-05-30 株式会社ニコン 光学系、光学装置
JP6392148B2 (ja) * 2015-03-16 2018-09-19 富士フイルム株式会社 撮像レンズおよび撮像装置
JP6381582B2 (ja) * 2016-06-01 2018-08-29 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2018054989A (ja) * 2016-09-30 2018-04-05 キヤノン株式会社 光学系およびそれを有する光学機器
WO2018088038A1 (ja) * 2016-11-08 2018-05-17 ソニー株式会社 撮像レンズおよび撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014026210A (ja) 2012-07-30 2014-02-06 Canon Inc 光学系及びそれを有する光学機器
JP2014056195A (ja) 2012-09-14 2014-03-27 Canon Inc 撮像光学系及びそれを有する撮像装置
JP2016148699A (ja) 2015-02-10 2016-08-18 オリンパス株式会社 望遠レンズ及びそれを有する撮像装置
JP2016148793A (ja) 2015-02-13 2016-08-18 富士フイルム株式会社 撮像レンズおよび撮像装置
JP2016173397A (ja) 2015-03-16 2016-09-29 富士フイルム株式会社 撮像レンズおよび撮像装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022033291A (ja) * 2017-11-20 2022-02-28 キヤノン株式会社 光学系及びそれを有する撮像装置
JP7183456B2 (ja) 2017-11-20 2022-12-05 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2023009230A (ja) * 2022-01-05 2023-01-19 キヤノン株式会社 光学系及びそれを有する撮像装置
JP7395700B2 (ja) 2022-01-05 2023-12-11 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2024009238A (ja) * 2022-01-05 2024-01-19 キヤノン株式会社 光学系及びそれを有する撮像装置
JP7574394B2 (ja) 2022-01-05 2024-10-28 キヤノン株式会社 光学系及びそれを有する撮像装置

Also Published As

Publication number Publication date
US20190155003A1 (en) 2019-05-23
JP2019095525A (ja) 2019-06-20
US11042012B2 (en) 2021-06-22

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