WO2009034713A1 - ズームレンズ系、撮像装置及びカメラ - Google Patents

ズームレンズ系、撮像装置及びカメラ Download PDF

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Publication number
WO2009034713A1
WO2009034713A1 PCT/JP2008/002516 JP2008002516W WO2009034713A1 WO 2009034713 A1 WO2009034713 A1 WO 2009034713A1 JP 2008002516 W JP2008002516 W JP 2008002516W WO 2009034713 A1 WO2009034713 A1 WO 2009034713A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens group
lens
zoom lens
lens system
optical axis
Prior art date
Application number
PCT/JP2008/002516
Other languages
English (en)
French (fr)
Inventor
Katsu Yamada
Keiki Yoshitsugu
Shunichiro Yoshinaga
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/676,231 priority Critical patent/US8064144B2/en
Publication of WO2009034713A1 publication Critical patent/WO2009034713A1/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/08—Anamorphotic objectives
    • G02B13/12—Anamorphotic objectives with variable 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
    • G02B15/144—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
    • G02B15/144113—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 +-++

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

　本発明のズームレンズ系は、物体側から像側へと順に、正パワーの第１レンズ群、負パワーの第２レンズ群、正パワーの第３レンズ群、正パワーの第４レンズ群を備え、ズーミング時に第１～４レンズ群全てが光軸に沿って移動し、条件（８）：０．１５＜ｄＧ３／ｄＧ＜０．２７（１６＜ｆＴ／ｆＷ、ω＞３５、ここで、ｄＧ３：第３レンズ群の光軸上での中心厚み、ｄＧ：第１～４レンズ群の光軸上での厚みの合計、ω：広角端での半画角、ｆＴ：望遠端での全系の焦点距離、ｆＷ：広角端での全系の焦点距離）を満足し、小型でありながら広角端での画角が広く、ズーミング比が極めて高く高性能である。
PCT/JP2008/002516 2007-09-12 2008-09-11 ズームレンズ系、撮像装置及びカメラ WO2009034713A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/676,231 US8064144B2 (en) 2007-09-12 2008-09-11 Zoom lens system, imaging device and camera

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007236924 2007-09-12
JP2007-236924 2007-09-12
JP2007-236925 2007-09-12
JP2007236925 2007-09-12
JP2008-175474 2008-07-04
JP2008175474 2008-07-04

Publications (1)

Publication Number Publication Date
WO2009034713A1 true WO2009034713A1 (ja) 2009-03-19

Family

ID=40451732

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002516 WO2009034713A1 (ja) 2007-09-12 2008-09-11 ズームレンズ系、撮像装置及びカメラ

Country Status (2)

Country Link
US (1) US8064144B2 (ja)
WO (1) WO2009034713A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017102487A (ja) * 2017-03-07 2017-06-08 株式会社ニコン 変倍光学系、光学装置、変倍光学系の製造方法
JP2021185439A (ja) * 2019-03-26 2021-12-09 株式会社ニコン 変倍光学系、光学装置、変倍光学系の製造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5274265B2 (ja) * 2009-01-07 2013-08-28 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
JP5919840B2 (ja) * 2012-01-25 2016-05-18 株式会社ニコン ズームレンズ及び光学機器

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07248449A (ja) * 1994-03-09 1995-09-26 Fuji Photo Optical Co Ltd ズームレンズ系
JPH08114744A (ja) * 1994-10-18 1996-05-07 Fuji Photo Optical Co Ltd ズームレンズのフォーカシング方式
JPH1172705A (ja) * 1997-08-29 1999-03-16 Tochigi Nikon:Kk ２つ以上の合焦レンズ群を備えたズームレンズ
JP2000121939A (ja) * 1998-10-14 2000-04-28 Canon Inc ズームレンズ
JP2000321496A (ja) * 1999-05-10 2000-11-24 Canon Inc ズームレンズ
JP2005227494A (ja) * 2004-02-12 2005-08-25 Fujinon Corp ズームレンズ
JP2006106111A (ja) * 2004-09-30 2006-04-20 Nikon Corp ズームレンズ
JP2006284763A (ja) * 2005-03-31 2006-10-19 Nikon Corp 防振機能を有するズームレンズ
JP2006285021A (ja) * 2005-04-01 2006-10-19 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2007122019A (ja) * 2005-09-28 2007-05-17 Nikon Corp 高変倍ズームレンズ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6545818B2 (en) * 1999-05-10 2003-04-08 Canon Kabushiki Kaisha Zoom lens and camera system
US7253965B2 (en) * 2004-10-01 2007-08-07 Nikon Corporation Zoom lens system with vibration reduction
JP3960334B2 (ja) * 2004-12-20 2007-08-15 コニカミノルタフォトイメージング株式会社 撮影光学系および撮像装置
JP2006184413A (ja) 2004-12-27 2006-07-13 Konica Minolta Photo Imaging Inc 撮影光学系および撮像装置
JP2006184416A (ja) 2004-12-27 2006-07-13 Konica Minolta Photo Imaging Inc 撮影光学系および撮像装置
JP2006189598A (ja) 2005-01-06 2006-07-20 Konica Minolta Photo Imaging Inc 撮影光学系および撮像装置
JP4806976B2 (ja) 2005-06-21 2011-11-02 コニカミノルタオプト株式会社 変倍光学系
JP4259495B2 (ja) 2005-06-28 2009-04-30 コニカミノルタオプト株式会社 変倍光学系
JP2007286446A (ja) * 2006-04-18 2007-11-01 Eastman Kodak Co ズームレンズおよびズームレンズを備えた撮像装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07248449A (ja) * 1994-03-09 1995-09-26 Fuji Photo Optical Co Ltd ズームレンズ系
JPH08114744A (ja) * 1994-10-18 1996-05-07 Fuji Photo Optical Co Ltd ズームレンズのフォーカシング方式
JPH1172705A (ja) * 1997-08-29 1999-03-16 Tochigi Nikon:Kk ２つ以上の合焦レンズ群を備えたズームレンズ
JP2000121939A (ja) * 1998-10-14 2000-04-28 Canon Inc ズームレンズ
JP2000321496A (ja) * 1999-05-10 2000-11-24 Canon Inc ズームレンズ
JP2005227494A (ja) * 2004-02-12 2005-08-25 Fujinon Corp ズームレンズ
JP2006106111A (ja) * 2004-09-30 2006-04-20 Nikon Corp ズームレンズ
JP2006284763A (ja) * 2005-03-31 2006-10-19 Nikon Corp 防振機能を有するズームレンズ
JP2006285021A (ja) * 2005-04-01 2006-10-19 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2007122019A (ja) * 2005-09-28 2007-05-17 Nikon Corp 高変倍ズームレンズ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017102487A (ja) * 2017-03-07 2017-06-08 株式会社ニコン 変倍光学系、光学装置、変倍光学系の製造方法
JP2021185439A (ja) * 2019-03-26 2021-12-09 株式会社ニコン 変倍光学系、光学装置、変倍光学系の製造方法
JP7207478B2 (ja) 2019-03-26 2023-01-18 株式会社ニコン 変倍光学系、光学装置

Also Published As

Publication number Publication date
US8064144B2 (en) 2011-11-22
US20100177217A1 (en) 2010-07-15

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