GB2505750B - Zoom lens and image-pickup apparatus - Google Patents

Zoom lens and image-pickup apparatus

Info

Publication number
GB2505750B
GB2505750B GB1311444.2A GB201311444A GB2505750B GB 2505750 B GB2505750 B GB 2505750B GB 201311444 A GB201311444 A GB 201311444A GB 2505750 B GB2505750 B GB 2505750B
Authority
GB
United Kingdom
Prior art keywords
image
zoom lens
pickup apparatus
pickup
zoom
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
GB1311444.2A
Other languages
English (en)
Other versions
GB201311444D0 (en
GB2505750A (en
Inventor
Shigenobu Sugita
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
Publication of GB201311444D0 publication Critical patent/GB201311444D0/en
Publication of GB2505750A publication Critical patent/GB2505750A/en
Application granted granted Critical
Publication of GB2505750B publication Critical patent/GB2505750B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • 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 -++
    • 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
    • G02B15/16—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
GB1311444.2A 2012-06-29 2013-06-27 Zoom lens and image-pickup apparatus Expired - Fee Related GB2505750B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012146654A JP5868275B2 (ja) 2012-06-29 2012-06-29 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
GB201311444D0 GB201311444D0 (en) 2013-08-14
GB2505750A GB2505750A (en) 2014-03-12
GB2505750B true GB2505750B (en) 2014-11-05

Family

ID=48999049

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1311444.2A Expired - Fee Related GB2505750B (en) 2012-06-29 2013-06-27 Zoom lens and image-pickup apparatus

Country Status (5)

Country Link
US (1) US9297985B2 (enExample)
JP (1) JP5868275B2 (enExample)
CN (1) CN103529541B (enExample)
DE (1) DE102013212401B4 (enExample)
GB (1) GB2505750B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6452285B2 (ja) * 2013-11-22 2019-01-16 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
CN104020551B (zh) * 2014-05-22 2016-08-17 秦皇岛视听机械研究所 只使用两种光学材料的数字短焦投影镜头
JP6418894B2 (ja) 2014-10-22 2018-11-07 キヤノン株式会社 光学系、撮像装置、および光学機器
JP6837658B2 (ja) * 2017-04-28 2021-03-03 株式会社シグマ 広角レンズ系
JP7023625B2 (ja) * 2017-06-28 2022-02-22 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
JP7009134B2 (ja) * 2017-09-25 2022-01-25 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
JP6995978B2 (ja) * 2018-03-27 2022-01-17 オリンパス株式会社 内視鏡用対物光学系、撮像装置、内視鏡及び内視鏡システム
JP6820878B2 (ja) 2018-03-29 2021-01-27 富士フイルム株式会社 ズームレンズ及び撮像装置
CN112859308A (zh) * 2019-11-27 2021-05-28 中强光电股份有限公司 变焦镜头及其制造方法
JP7483451B2 (ja) * 2020-03-25 2024-05-15 キヤノン株式会社 光学系および撮像装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090284642A1 (en) * 2008-05-15 2009-11-19 Keisuke Ichikawa Zoom lens and image pickup apparatus equipped with same
US20100149657A1 (en) * 2008-12-12 2010-06-17 Sony Corporation Zoom lens and imaging apparatus
US20100265595A1 (en) * 2009-04-20 2010-10-21 Akiyoshi Tochigi Two-unit zoom lens system and image pickup apparatus using the same
US20120113312A1 (en) * 2010-11-09 2012-05-10 Tetsuya Yanai Zoom Lens and Image Pickup Apparatus Equipped with Same
US20120120501A1 (en) * 2010-11-17 2012-05-17 Masato Katayose Zoom Lens Having Optical Path Bending Member and Image Pickup Apparatus Equipped with Same

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3429584B2 (ja) * 1994-11-11 2003-07-22 オリンパス光学工業株式会社 ズームレンズ
JP2000019392A (ja) * 1998-06-30 2000-01-21 Matsushita Electric Ind Co Ltd 撮影レンズ
JP2002244044A (ja) 2001-02-19 2002-08-28 Canon Inc ズームレンズ及びそれを用いた光学機器
JP3599689B2 (ja) 2001-08-03 2004-12-08 キヤノン株式会社 ズームレンズ
US6829102B2 (en) 2002-03-20 2004-12-07 Ricoh Company, Ltd. Zoom lens, and camera and portable information terminal for utilizing zoom lens
JP2005106878A (ja) 2003-09-29 2005-04-21 Sigma Corp 超広角レンズ系
JP2005208566A (ja) * 2003-12-22 2005-08-04 Sony Corp ズームレンズ及び撮像装置
JP2006106109A (ja) * 2004-09-30 2006-04-20 Nikon Corp 非球面レンズ、該非球面レンズを備えた光学装置
JP2007233045A (ja) 2006-03-01 2007-09-13 Sony Corp ズームレンズ及び撮像装置
JP4989152B2 (ja) 2006-08-11 2012-08-01 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
JP2008145967A (ja) * 2006-12-13 2008-06-26 Sony Corp ズームレンズ及び撮像装置
JP4978836B2 (ja) 2007-03-19 2012-07-18 株式会社ニコン ズームレンズ、光学機器、および結像方法
US8411368B2 (en) * 2009-02-02 2013-04-02 Panasonic Corporation Zoom lens system, interchangeable lens apparatus and camera system
JP2010186010A (ja) 2009-02-12 2010-08-26 Olympus Imaging Corp 広角ズームレンズ及びそれを用いた撮像装置
JP5544731B2 (ja) * 2009-03-17 2014-07-09 株式会社ニコン 撮影レンズ、及び、この撮影レンズを備えた光学機器
JP2011022380A (ja) 2009-07-16 2011-02-03 Sony Corp ズームレンズ及び撮像装置
JP5495654B2 (ja) 2009-07-31 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光学機器
JP5428775B2 (ja) 2009-11-10 2014-02-26 株式会社ニコン 広角レンズ、撮像装置、広角レンズの製造方法
US8699143B2 (en) 2009-11-10 2014-04-15 Nikon Corporation Wide-angle lens, imaging apparatus, and method for manufacturing wide-angle lens
JP5712749B2 (ja) * 2011-04-07 2015-05-07 株式会社ニコン ズームレンズ、撮像装置、ズームレンズの製造方法
JP5510114B2 (ja) * 2010-06-23 2014-06-04 株式会社ニコン ズームレンズ、撮像装置、ズームレンズの製造方法
JP5516127B2 (ja) * 2010-06-23 2014-06-11 株式会社ニコン ズームレンズ、撮像装置、ズームレンズの製造方法
US8508649B2 (en) * 2011-02-14 2013-08-13 DigitalOptics Corporation Europe Limited Compact distorted zoom lens for small angle of view

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090284642A1 (en) * 2008-05-15 2009-11-19 Keisuke Ichikawa Zoom lens and image pickup apparatus equipped with same
US20100149657A1 (en) * 2008-12-12 2010-06-17 Sony Corporation Zoom lens and imaging apparatus
US20100265595A1 (en) * 2009-04-20 2010-10-21 Akiyoshi Tochigi Two-unit zoom lens system and image pickup apparatus using the same
US20120113312A1 (en) * 2010-11-09 2012-05-10 Tetsuya Yanai Zoom Lens and Image Pickup Apparatus Equipped with Same
US20120120501A1 (en) * 2010-11-17 2012-05-17 Masato Katayose Zoom Lens Having Optical Path Bending Member and Image Pickup Apparatus Equipped with Same

Also Published As

Publication number Publication date
CN103529541B (zh) 2016-12-28
GB201311444D0 (en) 2013-08-14
DE102013212401B4 (de) 2015-02-05
US9297985B2 (en) 2016-03-29
JP5868275B2 (ja) 2016-02-24
JP2014010286A (ja) 2014-01-20
CN103529541A (zh) 2014-01-22
DE102013212401A1 (de) 2014-01-02
GB2505750A (en) 2014-03-12
US20140002908A1 (en) 2014-01-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230627