JPWO2021006002A1 - - Google Patents

Info

Publication number
JPWO2021006002A1
JPWO2021006002A1 JP2021530564A JP2021530564A JPWO2021006002A1 JP WO2021006002 A1 JPWO2021006002 A1 JP WO2021006002A1 JP 2021530564 A JP2021530564 A JP 2021530564A JP 2021530564 A JP2021530564 A JP 2021530564A JP WO2021006002 A1 JPWO2021006002 A1 JP WO2021006002A1
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2021530564A
Other versions
JP7276454B2 (ja
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 filed Critical
Publication of JPWO2021006002A1 publication Critical patent/JPWO2021006002A1/ja
Application granted granted Critical
Publication of JP7276454B2 publication Critical patent/JP7276454B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G02B15/22—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
    • 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 -
    • G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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
    • G02B15/144111—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
    • 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
    • G02B15/145127—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
    • G02B15/145523—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
    • 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
    • G02B15/145527—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
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2021530564A 2019-07-09 2020-06-19 光学系および光学装置 Active JP7276454B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2019127590 2019-07-09
JP2019127590 2019-07-09
JP2019127591 2019-07-09
JP2019127589 2019-07-09
JP2019127591 2019-07-09
JP2019127589 2019-07-09
PCT/JP2020/024055 WO2021006002A1 (ja) 2019-07-09 2020-06-19 光学系、光学装置および光学系の製造方法

Publications (2)

Publication Number Publication Date
JPWO2021006002A1 true JPWO2021006002A1 (ja) 2021-01-14
JP7276454B2 JP7276454B2 (ja) 2023-05-18

Family

ID=74114730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021530564A Active JP7276454B2 (ja) 2019-07-09 2020-06-19 光学系および光学装置

Country Status (3)

Country Link
US (2) US11733499B2 (ja)
JP (1) JP7276454B2 (ja)
WO (1) WO2021006002A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220113521A1 (en) * 2020-10-08 2022-04-14 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140810A (en) * 1979-04-20 1980-11-04 Canon Inc Telephoto lens
JPS58219509A (ja) * 1982-06-16 1983-12-21 Olympus Optical Co Ltd 写真レンズ
JPH11316341A (ja) * 1998-05-02 1999-11-16 Canon Inc インナーフォーカス式の撮影レンズ
JP2015034899A (ja) * 2013-08-09 2015-02-19 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
JP2017102354A (ja) * 2015-12-04 2017-06-08 キヤノン株式会社 撮影レンズ及びそれを有する撮像装置
JP2017223754A (ja) * 2016-06-14 2017-12-21 キヤノン株式会社 撮影レンズ
WO2018135000A1 (ja) * 2017-01-23 2018-07-26 エスゼット ディージェイアイ テクノロジー カンパニー リミテッド レンズ系、撮像装置、移動体及びシステム
JP2019090949A (ja) * 2017-11-15 2019-06-13 コニカミノルタ株式会社 撮像レンズ，撮像光学装置及びデジタル機器
JP2019194630A (ja) * 2018-05-01 2019-11-07 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2020064123A (ja) * 2018-10-15 2020-04-23 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576448A (en) 1982-06-16 1986-03-18 Olympus Optical Co., Ltd. Photographic lens system for compact cameras
JP5503332B2 (ja) 2010-02-26 2014-05-28 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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140810A (en) * 1979-04-20 1980-11-04 Canon Inc Telephoto lens
JPS58219509A (ja) * 1982-06-16 1983-12-21 Olympus Optical Co Ltd 写真レンズ
JPH11316341A (ja) * 1998-05-02 1999-11-16 Canon Inc インナーフォーカス式の撮影レンズ
JP2015034899A (ja) * 2013-08-09 2015-02-19 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
JP2017102354A (ja) * 2015-12-04 2017-06-08 キヤノン株式会社 撮影レンズ及びそれを有する撮像装置
JP2017223754A (ja) * 2016-06-14 2017-12-21 キヤノン株式会社 撮影レンズ
WO2018135000A1 (ja) * 2017-01-23 2018-07-26 エスゼット ディージェイアイ テクノロジー カンパニー リミテッド レンズ系、撮像装置、移動体及びシステム
JP2019090949A (ja) * 2017-11-15 2019-06-13 コニカミノルタ株式会社 撮像レンズ，撮像光学装置及びデジタル機器
JP2019194630A (ja) * 2018-05-01 2019-11-07 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2020064123A (ja) * 2018-10-15 2020-04-23 キヤノン株式会社 光学系およびそれを有する撮像装置

Also Published As

Publication number Publication date
US20220283415A1 (en) 2022-09-08
US20230341666A1 (en) 2023-10-26
JP7276454B2 (ja) 2023-05-18
US11733499B2 (en) 2023-08-22
WO2021006002A1 (ja) 2021-01-14

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