JP4444625B2 - ズームレンズ及びそれを有する撮像装置 - Google Patents

ズームレンズ及びそれを有する撮像装置 Download PDF

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Publication number
JP4444625B2
JP4444625B2 JP2003372404A JP2003372404A JP4444625B2 JP 4444625 B2 JP4444625 B2 JP 4444625B2 JP 2003372404 A JP2003372404 A JP 2003372404A JP 2003372404 A JP2003372404 A JP 2003372404A JP 4444625 B2 JP4444625 B2 JP 4444625B2
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JP
Japan
Prior art keywords
lens
zoom
refractive power
image
lens group
Prior art date
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.)
Expired - Fee Related
Application number
JP2003372404A
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English (en)
Japanese (ja)
Other versions
JP2005134746A (ja
JP2005134746A5 (enExample
Inventor
伊藤良紀
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
Original Assignee
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 JP2003372404A priority Critical patent/JP4444625B2/ja
Priority to US10/968,963 priority patent/US7061685B2/en
Publication of JP2005134746A publication Critical patent/JP2005134746A/ja
Publication of JP2005134746A5 publication Critical patent/JP2005134746A5/ja
Application granted granted Critical
Publication of JP4444625B2 publication Critical patent/JP4444625B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G02B15/16—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
    • 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
    • G02B15/143—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 three groups only
    • G02B15/1435—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 three groups only the first group being negative
    • G02B15/143507—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 three groups only the first group being negative arranged -++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2003372404A 2003-10-31 2003-10-31 ズームレンズ及びそれを有する撮像装置 Expired - Fee Related JP4444625B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003372404A JP4444625B2 (ja) 2003-10-31 2003-10-31 ズームレンズ及びそれを有する撮像装置
US10/968,963 US7061685B2 (en) 2003-10-31 2004-10-21 Zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003372404A JP4444625B2 (ja) 2003-10-31 2003-10-31 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2005134746A JP2005134746A (ja) 2005-05-26
JP2005134746A5 JP2005134746A5 (enExample) 2006-11-16
JP4444625B2 true JP4444625B2 (ja) 2010-03-31

Family

ID=34648804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003372404A Expired - Fee Related JP4444625B2 (ja) 2003-10-31 2003-10-31 ズームレンズ及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US7061685B2 (enExample)
JP (1) JP4444625B2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4902179B2 (ja) 2005-11-29 2012-03-21 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
US7453648B2 (en) 2005-11-30 2008-11-18 Panasonic Corporation Zoom lens system, imaging device and camera
US7411746B2 (en) * 2006-02-24 2008-08-12 Hoya Corporation Wide-angle lens system
US7310191B2 (en) 2006-03-09 2007-12-18 Matsushita Electric Industrial Co., Ltd. Zoom lens system, imaging device and camera
US7599126B2 (en) 2006-03-09 2009-10-06 Panasonic Corporation Zoom lens system, imaging device and camera
WO2007112321A2 (en) * 2006-03-24 2007-10-04 Flextronics Ap, Llc Zoom lens system for use with small electronic sensor
US7817350B2 (en) 2007-01-30 2010-10-19 Panasonic Corporation Zoom lens system, imaging device and camera
US7755847B2 (en) 2007-05-29 2010-07-13 Panasonic Corporation Zoom lens system, imaging device and camera
US7593166B2 (en) 2007-05-29 2009-09-22 Panasonic Corporation Zoom lens system, imaging device and camera
US7742235B2 (en) 2007-05-29 2010-06-22 Panasonic Corporation Zoom lens system, imaging device and camera
JP5164504B2 (ja) 2007-10-01 2013-03-21 キヤノン株式会社 撮像装置
JP7252002B2 (ja) * 2019-02-18 2023-04-04 株式会社タムロン ズームレンズ及び撮像装置
CN111897116B (zh) * 2020-08-24 2024-08-23 中山联合光电科技股份有限公司 投影光学系统及投影设备
TWI840979B (zh) 2022-09-30 2024-05-01 大立光電股份有限公司 影像系統鏡頭組、取像裝置及電子裝置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0752256B2 (ja) 1985-03-27 1995-06-05 株式会社リコー 小型ズ−ムレンズ
JP3081698B2 (ja) 1991-12-24 2000-08-28 オリンパス光学工業株式会社 ３群ズームレンズ
US6008953A (en) 1996-07-26 1999-12-28 Canon Kabushiki Kaisha Zoom lens
JP3948041B2 (ja) 1997-01-31 2007-07-25 コニカミノルタホールディングス株式会社 撮影用ズームレンズ
US6081389A (en) 1997-07-31 2000-06-27 Canon Kabushiki Kaisha Zoom lens of retrofocus type
JP3832935B2 (ja) 1997-08-01 2006-10-11 キヤノン株式会社 ズームレンズ
JP3843607B2 (ja) 1998-06-19 2006-11-08 コニカミノルタビジネステクノロジーズ株式会社 ズームレンズ
US6243213B1 (en) 1998-08-31 2001-06-05 Konica Corporation Zoom lens and camera having the zoom lens
JP2000147381A (ja) 1998-08-31 2000-05-26 Konica Corp ズ―ムレンズ及びそのズ―ムレンズを備えたカメラ
JP4317928B2 (ja) 1998-10-30 2009-08-19 株式会社ニコン ズームレンズ
US6327099B1 (en) 1999-03-16 2001-12-04 Canon Kabushiki Kaisha Zoom lens and optical device having the same
JP2001100098A (ja) 1999-09-30 2001-04-13 Casio Comput Co Ltd 非球面レンズ
JP2004037700A (ja) 2002-07-02 2004-02-05 Canon Inc ズームレンズ及びそれを有する光学機器

Also Published As

Publication number Publication date
US7061685B2 (en) 2006-06-13
US20050141101A1 (en) 2005-06-30
JP2005134746A (ja) 2005-05-26

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