JPWO2021117563A1 - - Google Patents

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Publication number
JPWO2021117563A1
JPWO2021117563A1 JP2021563882A JP2021563882A JPWO2021117563A1 JP WO2021117563 A1 JPWO2021117563 A1 JP WO2021117563A1 JP 2021563882 A JP2021563882 A JP 2021563882A JP 2021563882 A JP2021563882 A JP 2021563882A JP WO2021117563 A1 JPWO2021117563 A1 JP WO2021117563A1
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
JP2021563882A
Other versions
JP7435622B2 (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 JPWO2021117563A1 publication Critical patent/JPWO2021117563A1/ja
Priority to JP2024013917A priority Critical patent/JP2024032931A/ja
Application granted granted Critical
Publication of JP7435622B2 publication Critical patent/JP7435622B2/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
    • G02B15/144—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
    • G02B15/1445—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 negative
    • G02B15/144507—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 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
    • G02B15/142—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 two groups only
    • G02B15/1425—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 two 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
    • G02B15/144—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
    • G02B15/1445—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 negative
    • G02B15/144515—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 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
    • G02B15/145515—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
    • G02B15/15—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 compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2021563882A 2019-12-10 2020-12-02 変倍光学系および光学機器 Active JP7435622B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024013917A JP2024032931A (ja) 2019-12-10 2024-02-01 変倍光学系および光学機器

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019223166 2019-12-10
JP2019223165 2019-12-10
JP2019223166 2019-12-10
JP2019223165 2019-12-10
PCT/JP2020/044761 WO2021117563A1 (ja) 2019-12-10 2020-12-02 変倍光学系、光学機器、および変倍光学系の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024013917A Division JP2024032931A (ja) 2019-12-10 2024-02-01 変倍光学系および光学機器

Publications (2)

Publication Number Publication Date
JPWO2021117563A1 true JPWO2021117563A1 (ja) 2021-06-17
JP7435622B2 JP7435622B2 (ja) 2024-02-21

Family

ID=76330254

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021563882A Active JP7435622B2 (ja) 2019-12-10 2020-12-02 変倍光学系および光学機器
JP2024013917A Pending JP2024032931A (ja) 2019-12-10 2024-02-01 変倍光学系および光学機器

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024013917A Pending JP2024032931A (ja) 2019-12-10 2024-02-01 変倍光学系および光学機器

Country Status (4)

Country Link
US (1) US20230012479A1 (ja)
JP (2) JP7435622B2 (ja)
CN (2) CN114787682B (ja)
WO (1) WO2021117563A1 (ja)

Citations (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0250120A (ja) * 1988-08-11 1990-02-20 Minolta Camera Co Ltd ズームレンズ
JPH07306362A (ja) * 1994-05-13 1995-11-21 Canon Inc ズームレンズ
JPH08248312A (ja) * 1995-03-08 1996-09-27 Nikon Corp ズームレンズ
JPH08248314A (ja) * 1995-03-08 1996-09-27 Nikon Corp ズームレンズ
JPH08327907A (ja) * 1995-06-01 1996-12-13 Tochigi Nikon:Kk ズームレンズ
JPH09211326A (ja) * 1996-02-06 1997-08-15 Olympus Optical Co Ltd ズームレンズ
JPH09230242A (ja) * 1996-02-22 1997-09-05 Nikon Corp ズームレンズ
JP2001188171A (ja) * 1999-12-28 2001-07-10 Sigma Corp ズームレンズ
JP2003084198A (ja) * 2001-09-12 2003-03-19 Canon Inc ズームレンズ及びそれを有する光学機器
JP2010176098A (ja) * 2009-02-02 2010-08-12 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2010204647A (ja) * 2009-02-03 2010-09-16 Hoya Corp 広角ズームレンズ系
JP2012068303A (ja) * 2010-09-21 2012-04-05 Nikon Corp 撮影レンズ、この撮影レンズを備えた光学機器、及び、撮影レンズの製造方法
JP2013044964A (ja) * 2011-08-24 2013-03-04 Tamron Co Ltd ズームレンズ
JP2015138122A (ja) * 2014-01-22 2015-07-30 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2015203734A (ja) * 2014-04-11 2015-11-16 株式会社シグマ 超広角ズームレンズ
JP2017122747A (ja) * 2014-06-06 2017-07-13 オリンパス株式会社 ズームレンズ及びそれを有する撮像装置
JP2017122743A (ja) * 2014-05-19 2017-07-13 オリンパス株式会社 ズームレンズ及びそれを有する撮像装置
JP2017187631A (ja) * 2016-04-06 2017-10-12 オリンパス株式会社 ズーム光学系及びそれを備えた撮像装置
JP2018010219A (ja) * 2016-07-15 2018-01-18 株式会社ニコン 変倍光学系、光学機器及び変倍光学系の製造方法
JP2018013685A (ja) * 2016-07-22 2018-01-25 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
JP2018054988A (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
JP2018087903A (ja) * 2016-11-29 2018-06-07 コニカミノルタ株式会社 ズームレンズ，撮像光学装置及びデジタル機器
JP2018189733A (ja) * 2017-04-28 2018-11-29 株式会社シグマ 広角レンズ系
JP2019174714A (ja) * 2018-03-29 2019-10-10 オリンパス株式会社 ズームレンズ及びそれを備えた撮像装置

Patent Citations (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0250120A (ja) * 1988-08-11 1990-02-20 Minolta Camera Co Ltd ズームレンズ
JPH07306362A (ja) * 1994-05-13 1995-11-21 Canon Inc ズームレンズ
JPH08248312A (ja) * 1995-03-08 1996-09-27 Nikon Corp ズームレンズ
JPH08248314A (ja) * 1995-03-08 1996-09-27 Nikon Corp ズームレンズ
JPH08327907A (ja) * 1995-06-01 1996-12-13 Tochigi Nikon:Kk ズームレンズ
JPH09211326A (ja) * 1996-02-06 1997-08-15 Olympus Optical Co Ltd ズームレンズ
JPH09230242A (ja) * 1996-02-22 1997-09-05 Nikon Corp ズームレンズ
JP2001188171A (ja) * 1999-12-28 2001-07-10 Sigma Corp ズームレンズ
JP2003084198A (ja) * 2001-09-12 2003-03-19 Canon Inc ズームレンズ及びそれを有する光学機器
JP2010176098A (ja) * 2009-02-02 2010-08-12 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2010204647A (ja) * 2009-02-03 2010-09-16 Hoya Corp 広角ズームレンズ系
JP2012068303A (ja) * 2010-09-21 2012-04-05 Nikon Corp 撮影レンズ、この撮影レンズを備えた光学機器、及び、撮影レンズの製造方法
JP2013044964A (ja) * 2011-08-24 2013-03-04 Tamron Co Ltd ズームレンズ
JP2015138122A (ja) * 2014-01-22 2015-07-30 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2015203734A (ja) * 2014-04-11 2015-11-16 株式会社シグマ 超広角ズームレンズ
JP2017122743A (ja) * 2014-05-19 2017-07-13 オリンパス株式会社 ズームレンズ及びそれを有する撮像装置
JP2017122747A (ja) * 2014-06-06 2017-07-13 オリンパス株式会社 ズームレンズ及びそれを有する撮像装置
JP2017187631A (ja) * 2016-04-06 2017-10-12 オリンパス株式会社 ズーム光学系及びそれを備えた撮像装置
JP2018010219A (ja) * 2016-07-15 2018-01-18 株式会社ニコン 変倍光学系、光学機器及び変倍光学系の製造方法
JP2018013685A (ja) * 2016-07-22 2018-01-25 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
JP2018054988A (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
JP2018087903A (ja) * 2016-11-29 2018-06-07 コニカミノルタ株式会社 ズームレンズ，撮像光学装置及びデジタル機器
JP2018189733A (ja) * 2017-04-28 2018-11-29 株式会社シグマ 広角レンズ系
JP2019174714A (ja) * 2018-03-29 2019-10-10 オリンパス株式会社 ズームレンズ及びそれを備えた撮像装置

Also Published As

Publication number Publication date
US20230012479A1 (en) 2023-01-19
CN114787682A (zh) 2022-07-22
WO2021117563A1 (ja) 2021-06-17
CN114787682B (zh) 2024-01-02
JP7435622B2 (ja) 2024-02-21
JP2024032931A (ja) 2024-03-12
CN117687187A (zh) 2024-03-12

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