JP7114436B2 - 光学系およびそれを有する撮像装置 - Google Patents

光学系およびそれを有する撮像装置 Download PDF

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Publication number
JP7114436B2
JP7114436B2 JP2018194671A JP2018194671A JP7114436B2 JP 7114436 B2 JP7114436 B2 JP 7114436B2 JP 2018194671 A JP2018194671 A JP 2018194671A JP 2018194671 A JP2018194671 A JP 2018194671A JP 7114436 B2 JP7114436 B2 JP 7114436B2
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JP
Japan
Prior art keywords
optical system
lens
lens group
infinity
focal length
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Active
Application number
JP2018194671A
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English (en)
Japanese (ja)
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JP2020064123A5 (enExample
JP2020064123A (ja
Inventor
匠 鈴木
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
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 JP2018194671A priority Critical patent/JP7114436B2/ja
Priority to EP19201195.5A priority patent/EP3640697A1/en
Priority to US16/592,391 priority patent/US11467385B2/en
Priority to CN201910976752.4A priority patent/CN111045181B/zh
Publication of JP2020064123A publication Critical patent/JP2020064123A/ja
Publication of JP2020064123A5 publication Critical patent/JP2020064123A5/ja
Application granted granted Critical
Publication of JP7114436B2 publication Critical patent/JP7114436B2/ja
Priority to US17/820,846 priority patent/US12072478B2/en
Priority to US18/781,774 priority patent/US20240377622A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G02B15/145105—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
    • 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
    • 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
    • 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
    • G02B15/145103—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
    • G02B15/145—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
    • G02B15/145113—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
    • G02B15/145—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
    • 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
    • G02B15/145511—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
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • 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
    • G02B15/22—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 movable lens means specially adapted for focusing at close distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Nonlinear Science (AREA)
JP2018194671A 2018-10-15 2018-10-15 光学系およびそれを有する撮像装置 Active JP7114436B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2018194671A JP7114436B2 (ja) 2018-10-15 2018-10-15 光学系およびそれを有する撮像装置
EP19201195.5A EP3640697A1 (en) 2018-10-15 2019-10-02 Optical system and imaging apparatus including the same
US16/592,391 US11467385B2 (en) 2018-10-15 2019-10-03 Optical system and imaging apparatus including the same
CN201910976752.4A CN111045181B (zh) 2018-10-15 2019-10-15 光学系统和包括光学系统的成像装置
US17/820,846 US12072478B2 (en) 2018-10-15 2022-08-18 Optical system and imaging apparatus including the same
US18/781,774 US20240377622A1 (en) 2018-10-15 2024-07-23 Optical system and imaging apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018194671A JP7114436B2 (ja) 2018-10-15 2018-10-15 光学系およびそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2020064123A JP2020064123A (ja) 2020-04-23
JP2020064123A5 JP2020064123A5 (enExample) 2021-11-18
JP7114436B2 true JP7114436B2 (ja) 2022-08-08

Family

ID=68136315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018194671A Active JP7114436B2 (ja) 2018-10-15 2018-10-15 光学系およびそれを有する撮像装置

Country Status (4)

Country Link
US (3) US11467385B2 (enExample)
EP (1) EP3640697A1 (enExample)
JP (1) JP7114436B2 (enExample)
CN (1) CN111045181B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7114436B2 (ja) * 2018-10-15 2022-08-08 キヤノン株式会社 光学系およびそれを有する撮像装置
JP7276454B2 (ja) * 2019-07-09 2023-05-18 株式会社ニコン 光学系および光学装置
JP7521956B2 (ja) * 2020-07-08 2024-07-24 株式会社タムロン 光学系及び撮像装置
JP7661730B2 (ja) * 2021-03-12 2025-04-15 ソニーグループ株式会社 撮像レンズおよび撮像装置
JP2024010559A (ja) * 2022-07-12 2024-01-24 キヤノン株式会社 光学系およびそれを有する撮像装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120081798A1 (en) 2010-10-01 2012-04-05 Samsung Electronics Co., Ltd. Macro-lens system and photographing apparatus having the same
JP2014219601A (ja) 2013-05-09 2014-11-20 ソニー株式会社 マクロレンズおよび撮像装置
CN104199179A (zh) 2014-08-11 2014-12-10 安徽长庚光学科技有限公司 一种微距镜头
JP2015161880A (ja) 2014-02-28 2015-09-07 富士フイルム株式会社 マクロレンズおよび撮像装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4450894B2 (ja) * 1999-07-16 2010-04-14 株式会社シグマ マクロレンズ
JP4383078B2 (ja) * 2002-04-22 2009-12-16 オリンパス株式会社 望遠レンズ及び望遠レンズ装置
JP5371178B2 (ja) * 2006-03-29 2013-12-18 オリンパスメディカルシステムズ株式会社 撮像光学系
JP5584064B2 (ja) * 2010-09-13 2014-09-03 株式会社シグマ マクロレンズ
JP5790106B2 (ja) 2011-04-12 2015-10-07 株式会社ニコン 光学系、光学装置、光学系の製造方法
JP2013152279A (ja) * 2012-01-24 2013-08-08 Olympus Imaging Corp 撮影レンズ系及びそれを備えた撮像装置
JP6251511B2 (ja) * 2013-08-09 2017-12-20 株式会社タムロン 光学系及び光学系のフォーカシング方法
JP6410462B2 (ja) * 2014-05-12 2018-10-24 キヤノン株式会社 光学系及びそれを有する撮像装置
US9964743B2 (en) 2014-11-28 2018-05-08 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP6689768B2 (ja) * 2017-02-28 2020-04-28 富士フイルム株式会社 撮像レンズおよび撮像装置
JP7114436B2 (ja) * 2018-10-15 2022-08-08 キヤノン株式会社 光学系およびそれを有する撮像装置
JP7146601B2 (ja) * 2018-12-03 2022-10-04 キヤノン株式会社 光学系およびそれを有する撮像装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120081798A1 (en) 2010-10-01 2012-04-05 Samsung Electronics Co., Ltd. Macro-lens system and photographing apparatus having the same
JP2014219601A (ja) 2013-05-09 2014-11-20 ソニー株式会社 マクロレンズおよび撮像装置
JP2015161880A (ja) 2014-02-28 2015-09-07 富士フイルム株式会社 マクロレンズおよび撮像装置
CN104199179A (zh) 2014-08-11 2014-12-10 安徽长庚光学科技有限公司 一种微距镜头

Also Published As

Publication number Publication date
EP3640697A1 (en) 2020-04-22
US20220404596A1 (en) 2022-12-22
US11467385B2 (en) 2022-10-11
CN111045181B (zh) 2022-04-19
CN111045181A (zh) 2020-04-21
US20240377622A1 (en) 2024-11-14
US20200116985A1 (en) 2020-04-16
US12072478B2 (en) 2024-08-27
JP2020064123A (ja) 2020-04-23

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