CN111045181B - 光学系统和包括光学系统的成像装置 - Google Patents

光学系统和包括光学系统的成像装置 Download PDF

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Publication number
CN111045181B
CN111045181B CN201910976752.4A CN201910976752A CN111045181B CN 111045181 B CN111045181 B CN 111045181B CN 201910976752 A CN201910976752 A CN 201910976752A CN 111045181 B CN111045181 B CN 111045181B
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China
Prior art keywords
optical system
lens unit
focus
focal length
lens
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CN201910976752.4A
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English (en)
Chinese (zh)
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CN111045181A (zh
Inventor
铃木匠
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Canon Inc
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Canon Inc
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Publication of CN111045181A publication Critical patent/CN111045181A/zh
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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
    • G02B15/145105—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
    • 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
    • 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
    • G02B15/1451—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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Nonlinear Science (AREA)
CN201910976752.4A 2018-10-15 2019-10-15 光学系统和包括光学系统的成像装置 Active CN111045181B (zh)

Applications Claiming Priority (2)

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
JP2018-194671 2018-10-15

Publications (2)

Publication Number Publication Date
CN111045181A CN111045181A (zh) 2020-04-21
CN111045181B true CN111045181B (zh) 2022-04-19

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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

Family Cites Families (16)

* 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
KR101853810B1 (ko) 2010-10-01 2018-05-03 삼성전자주식회사 접사 렌즈계 및 이를 구비한 촬영 장치
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
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
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
JP6230933B2 (ja) 2014-02-28 2017-11-15 富士フイルム株式会社 マクロレンズおよび撮像装置
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
CN104199179B (zh) 2014-08-11 2017-09-22 安徽长庚光学科技有限公司 一种微距镜头
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

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Publication number Publication date
EP3640697A1 (en) 2020-04-22
US20220404596A1 (en) 2022-12-22
JP7114436B2 (ja) 2022-08-08
US11467385B2 (en) 2022-10-11
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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