DE602005003502T2 - Retrofokus Zoom Objektiv mit zwei Gruppen - Google Patents

Retrofokus Zoom Objektiv mit zwei Gruppen Download PDF

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Publication number
DE602005003502T2
DE602005003502T2 DE602005003502T DE602005003502T DE602005003502T2 DE 602005003502 T2 DE602005003502 T2 DE 602005003502T2 DE 602005003502 T DE602005003502 T DE 602005003502T DE 602005003502 T DE602005003502 T DE 602005003502T DE 602005003502 T2 DE602005003502 T2 DE 602005003502T2
Authority
DE
Germany
Prior art keywords
lens
resin layer
curvature
zoom lens
refractive power
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 - Lifetime
Application number
DE602005003502T
Other languages
German (de)
English (en)
Other versions
DE602005003502D1 (de
Inventor
Hotaka Saitama-prefecture Takeuchi
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.)
Nidec Precision Corp
Original Assignee
Nidec Copal Corp
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 Nidec Copal Corp filed Critical Nidec Copal Corp
Publication of DE602005003502D1 publication Critical patent/DE602005003502D1/de
Application granted granted Critical
Publication of DE602005003502T2 publication Critical patent/DE602005003502T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B15/142—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
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • 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
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B2003/0093—Simple or compound lenses characterised by the shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE602005003502T 2004-05-06 2005-04-28 Retrofokus Zoom Objektiv mit zwei Gruppen Expired - Lifetime DE602005003502T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004137028A JP4657624B2 (ja) 2004-05-06 2004-05-06 ズームレンズ
JP2004137028 2004-05-06

Publications (2)

Publication Number Publication Date
DE602005003502D1 DE602005003502D1 (de) 2008-01-10
DE602005003502T2 true DE602005003502T2 (de) 2008-11-27

Family

ID=34935863

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005003502T Expired - Lifetime DE602005003502T2 (de) 2004-05-06 2005-04-28 Retrofokus Zoom Objektiv mit zwei Gruppen

Country Status (6)

Country Link
US (1) US7362509B2 (https=)
EP (1) EP1593995B1 (https=)
JP (1) JP4657624B2 (https=)
KR (1) KR101129428B1 (https=)
CN (1) CN100451715C (https=)
DE (1) DE602005003502T2 (https=)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI274180B (en) * 2005-06-02 2007-02-21 Asia Optical Co Inc Lens system
JP4898200B2 (ja) * 2005-11-30 2012-03-14 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
JP4993991B2 (ja) * 2006-10-03 2012-08-08 三洋電機株式会社 撮影レンズおよびこれを備えた撮像装置
KR100882621B1 (ko) * 2006-11-22 2009-02-06 엘지이노텍 주식회사 줌 렌즈
JP5072075B2 (ja) * 2006-11-27 2012-11-14 株式会社リコー ズームレンズおよび撮像装置および携帯情報端末装置
JP2010256417A (ja) * 2009-04-21 2010-11-11 Sony Corp ズームレンズ及び撮像装置
CN102109662A (zh) * 2009-12-25 2011-06-29 佛山普立华科技有限公司 取像镜头
JP5656537B2 (ja) * 2010-10-01 2015-01-21 日東光学株式会社 ズームレンズ駆動装置
TWI429980B (zh) * 2011-05-11 2014-03-11 Largan Precision Co Ltd 影像拾取鏡頭組
JP5724639B2 (ja) * 2011-05-30 2015-05-27 リコーイメージング株式会社 ズームレンズ系及びこれを用いた光学機器
KR101383900B1 (ko) 2011-06-07 2014-04-10 삼성테크윈 주식회사 줌 렌즈 시스템
US20130229704A1 (en) * 2011-08-31 2013-09-05 Bae Systems Information And Electronic Systems Integration Inc. Graded index metamaterial lens
US8599499B2 (en) * 2012-03-20 2013-12-03 Microsoft Corporation High-speed wide-angle lens construction
WO2013171995A1 (ja) * 2012-05-16 2013-11-21 富士フイルム株式会社 投写用変倍光学系および投写型表示装置
JP6071578B2 (ja) * 2013-01-22 2017-02-01 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
JP6325772B2 (ja) 2013-03-29 2018-05-16 キヤノン株式会社 撮影レンズ及びそれを有する撮像装置
TWI477808B (zh) * 2014-01-17 2015-03-21 Largan Precision Co Ltd 攝影光學鏡頭、取像裝置及車用攝影裝置
TWI616677B (zh) * 2016-09-13 2018-03-01 先進光電科技股份有限公司 光學成像系統
CN108873268A (zh) * 2017-05-08 2018-11-23 宁波舜宇车载光学技术有限公司 光学镜头
CN107479171B (zh) * 2017-08-29 2022-09-06 宁波舜宇红外技术有限公司 长波红外变焦镜头
CN109001896A (zh) * 2018-09-29 2018-12-14 苏州莱能士光电科技股份有限公司 一种无光环境下的光学成像系统
CN109254388B (zh) * 2018-11-21 2023-09-19 福建福光股份有限公司 远心光学检像系统及成像方法
CN111505795B (zh) * 2019-01-30 2022-05-20 成都理想境界科技有限公司 一种投影物镜
JP7506498B2 (ja) * 2020-03-17 2024-06-26 株式会社タムロン ズームレンズおよび撮像装置
KR20220020015A (ko) * 2020-08-11 2022-02-18 엘지이노텍 주식회사 광학계
CN111999844B (zh) * 2020-08-31 2022-09-23 泰兴市汇龙光电仪器有限公司 一种可调节光学总长的迷你型光学成像系统
CN113109926B (zh) * 2021-04-22 2024-07-02 湖南长步道光学科技有限公司 一种低畸变光学系统及镜头
KR102776269B1 (ko) * 2021-11-29 2025-03-07 삼성전기주식회사 촬상 광학계
CN115185063B (zh) * 2022-07-14 2024-01-12 福建福光天瞳光学有限公司 一种大光圈光学镜头及其成像方法
CN117539022B (zh) * 2022-08-02 2026-03-17 浙江舜宇光学有限公司 光学摄像镜头组
CN115616750B (zh) * 2022-12-15 2023-06-02 江西联益光学有限公司 变焦镜头
CN120103574A (zh) * 2023-12-06 2025-06-06 浙江舜宇光学有限公司 光学成像镜头

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2903479B2 (ja) * 1990-03-30 1999-06-07 オリンパス光学工業株式会社 ズームレンズ
US5566027A (en) * 1993-01-18 1996-10-15 Canon Kabushiki Kaisha Photocurable resin composition and optical lens produced therefrom
JP3379270B2 (ja) * 1995-03-02 2003-02-24 株式会社ニコン 可変焦点距離レンズ
JP3528946B2 (ja) * 1995-06-05 2004-05-24 株式会社ニコン ズームレンズ
KR100247292B1 (ko) * 1997-07-11 2000-03-15 유무성 소형 줌 렌즈
JPH11125767A (ja) 1997-10-21 1999-05-11 Asahi Optical Co Ltd 撮影レンズ系
JP2000035537A (ja) 1998-05-12 2000-02-02 Asahi Optical Co Ltd ２群ズ―ムレンズ系
JP4686888B2 (ja) * 2000-04-20 2011-05-25 株式会社ニコン ズームレンズ及び該レンズを備える撮影装置
JP2002131635A (ja) * 2000-10-27 2002-05-09 Nidec Copal Corp 小型レンズ
JP4483086B2 (ja) * 2000-12-25 2010-06-16 コニカミノルタホールディングス株式会社 ズームレンズ
JP2003075721A (ja) * 2001-08-31 2003-03-12 Pentax Corp ズームレンズ系
JP4106887B2 (ja) * 2001-09-13 2008-06-25 カシオ計算機株式会社 ズームレンズ
JP2003131126A (ja) * 2001-10-29 2003-05-08 Nidec Copal Corp 広角レンズ
JP2003140046A (ja) * 2001-10-30 2003-05-14 Nidec Copal Corp ズームレンズ
JP3943922B2 (ja) * 2001-12-11 2007-07-11 オリンパス株式会社 撮像装置
JP4060075B2 (ja) * 2001-12-26 2008-03-12 フジノン株式会社 ズームレンズおよび投写光学装置
JP2003329929A (ja) * 2002-05-13 2003-11-19 Mark:Kk レプリカ層を用いた撮影用ズームレンズ
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
JP4325200B2 (ja) * 2003-01-24 2009-09-02 株式会社ニコン ズームレンズ
JP3925926B2 (ja) 2003-05-28 2007-06-06 オリンパス株式会社 高変倍ズームレンズ
US7075732B2 (en) * 2003-09-22 2006-07-11 Olympus Corporation Zoom optical system, and imaging system incorporating the same
EP1577695B1 (en) * 2004-01-30 2008-02-27 Casio Computer Co., Ltd. Zoom lens system

Also Published As

Publication number Publication date
EP1593995B1 (en) 2007-11-28
DE602005003502D1 (de) 2008-01-10
CN1693935A (zh) 2005-11-09
JP2005321426A (ja) 2005-11-17
KR20060047460A (ko) 2006-05-18
US7362509B2 (en) 2008-04-22
EP1593995A1 (en) 2005-11-09
JP4657624B2 (ja) 2011-03-23
CN100451715C (zh) 2009-01-14
KR101129428B1 (ko) 2012-03-27
US20050248854A1 (en) 2005-11-10

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