JP4989235B2 - ズームレンズ - Google Patents

ズームレンズ Download PDF

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Publication number
JP4989235B2
JP4989235B2 JP2007002056A JP2007002056A JP4989235B2 JP 4989235 B2 JP4989235 B2 JP 4989235B2 JP 2007002056 A JP2007002056 A JP 2007002056A JP 2007002056 A JP2007002056 A JP 2007002056A JP 4989235 B2 JP4989235 B2 JP 4989235B2
Authority
JP
Japan
Prior art keywords
lens
lens group
zoom
object side
zoom lens
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
JP2007002056A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008170576A5 (enExample
JP2008170576A (ja
Inventor
豊克 藤崎
常文 田中
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 JP2007002056A priority Critical patent/JP4989235B2/ja
Priority to US11/969,738 priority patent/US7457045B2/en
Publication of JP2008170576A publication Critical patent/JP2008170576A/ja
Publication of JP2008170576A5 publication Critical patent/JP2008170576A5/ja
Application granted granted Critical
Publication of JP4989235B2 publication Critical patent/JP4989235B2/ja
Expired - Fee Related 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
    • G02B15/16—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)
JP2007002056A 2007-01-10 2007-01-10 ズームレンズ Expired - Fee Related JP4989235B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007002056A JP4989235B2 (ja) 2007-01-10 2007-01-10 ズームレンズ
US11/969,738 US7457045B2 (en) 2007-01-10 2008-01-04 Zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007002056A JP4989235B2 (ja) 2007-01-10 2007-01-10 ズームレンズ

Publications (3)

Publication Number Publication Date
JP2008170576A JP2008170576A (ja) 2008-07-24
JP2008170576A5 JP2008170576A5 (enExample) 2010-02-12
JP4989235B2 true JP4989235B2 (ja) 2012-08-01

Family

ID=39675907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007002056A Expired - Fee Related JP4989235B2 (ja) 2007-01-10 2007-01-10 ズームレンズ

Country Status (2)

Country Link
US (1) US7457045B2 (enExample)
JP (1) JP4989235B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI363188B (en) * 2007-12-14 2012-05-01 Qisda Corp Projection lens and projection device using the same
US9182575B2 (en) 2009-07-02 2015-11-10 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, imaging device and camera
JP5495655B2 (ja) * 2009-08-03 2014-05-21 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
JP5550475B2 (ja) * 2010-07-13 2014-07-16 キヤノン株式会社 ズームレンズおよび撮像装置
CN103718080A (zh) * 2011-07-29 2014-04-09 富士胶片株式会社 成像镜头和成像设备
WO2013027516A1 (ja) * 2011-08-19 2013-02-28 コニカミノルタアドバンストレイヤー株式会社 ズームレンズ及び撮像装置
JP6353756B2 (ja) * 2014-09-24 2018-07-04 マクセル株式会社 撮像レンズ系及び撮像装置
CN111352219B (zh) * 2020-05-25 2020-08-18 瑞声通讯科技(常州)有限公司 摄像光学镜头
CN112526725B (zh) * 2020-12-21 2025-07-08 江西欧菲光学有限公司 光学系统、摄像模组和电子设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04114116A (ja) 1990-09-04 1992-04-15 Minolta Camera Co Ltd ズームレンズ
JP3513369B2 (ja) * 1997-09-11 2004-03-31 キヤノン株式会社 ズームレンズ及びそれを有するカメラ
JP3868092B2 (ja) 1998-01-05 2007-01-17 株式会社リコー ズームレンズ
JP4432153B2 (ja) 1999-08-03 2010-03-17 株式会社ニコン ズームレンズ
JP4507140B2 (ja) * 2000-02-28 2010-07-21 フジノン株式会社 ３群ズームレンズ
JP4245783B2 (ja) 2000-07-07 2009-04-02 オリンパス株式会社 ズームレンズおよびズームレンズを備えた撮像装置
US6618210B2 (en) 2000-07-07 2003-09-09 Olympus Optical Co., Ltd. Zoom lens system and image pickup apparatus having the same
DE60123204T2 (de) * 2000-12-27 2007-01-25 Canon K.K. Zoom-Objektiv
JP3706827B2 (ja) * 2001-11-09 2005-10-19 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
JP2005274662A (ja) * 2004-03-23 2005-10-06 Fujinon Corp 接合レンズを有するズームレンズ
US7471459B2 (en) * 2005-11-10 2008-12-30 Olympus Imaging Corp. Zoom lens system and image pickup apparatus using the same

Also Published As

Publication number Publication date
US7457045B2 (en) 2008-11-25
US20080186588A1 (en) 2008-08-07
JP2008170576A (ja) 2008-07-24

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