TW200714922A - Dual-focus switchable lens - Google Patents

Dual-focus switchable lens

Info

Publication number
TW200714922A
TW200714922A TW095135927A TW95135927A TW200714922A TW 200714922 A TW200714922 A TW 200714922A TW 095135927 A TW095135927 A TW 095135927A TW 95135927 A TW95135927 A TW 95135927A TW 200714922 A TW200714922 A TW 200714922A
Authority
TW
Taiwan
Prior art keywords
lens
refractive power
dual
lens group
focus switchable
Prior art date
Application number
TW095135927A
Other languages
English (en)
Inventor
Takayuki Noda
Original Assignee
Fujinon 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 Fujinon Corp filed Critical Fujinon Corp
Publication of TW200714922A publication Critical patent/TW200714922A/zh

Links

Classifications

    • 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
    • G02B13/004—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 having four 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 -++
    • 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
    • G02B13/0045—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 having five or more 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
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
    • 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
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
    • 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
    • G02B15/15—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 compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • 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)
TW095135927A 2005-09-28 2006-09-28 Dual-focus switchable lens TW200714922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005282790A JP2007093961A (ja) 2005-09-28 2005-09-28 ２焦点切替型結像レンズ

Publications (1)

Publication Number Publication Date
TW200714922A true TW200714922A (en) 2007-04-16

Family

ID=37467464

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095135927A TW200714922A (en) 2005-09-28 2006-09-28 Dual-focus switchable lens

Country Status (6)

Country Link
US (1) US7292395B2 (zh)
EP (1) EP1770425A1 (zh)
JP (1) JP2007093961A (zh)
KR (1) KR100821586B1 (zh)
CN (1) CN100451718C (zh)
TW (1) TW200714922A (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101819316B (zh) * 2009-02-27 2011-11-09 富士迈半导体精密工业（上海）有限公司 变焦镜头
JP5717988B2 (ja) 2010-06-07 2015-05-13 オリンパス株式会社 変倍光学系及びそれを用いた撮像装置
CN102375224A (zh) * 2010-08-06 2012-03-14 佳能企业股份有限公司 变焦镜头与其温度补偿方法
TW201221994A (en) 2010-11-22 2012-06-01 Ability Entpr Co Ltd Lens module
JP5628090B2 (ja) * 2011-05-20 2014-11-19 ソニー株式会社 インナーフォーカス式レンズ
CN102866484B (zh) * 2011-07-07 2014-10-29 佳能企业股份有限公司 变焦镜头
JP5803532B2 (ja) * 2011-10-04 2015-11-04 ソニー株式会社 赤外線光学系、赤外線撮像装置
JP5828393B2 (ja) 2011-10-17 2015-12-02 セイコーエプソン株式会社 投射用ズームレンズ
JP5919718B2 (ja) * 2011-10-17 2016-05-18 セイコーエプソン株式会社 投射用ズームレンズ
IN2015DN01906A (zh) 2013-02-19 2015-08-07 Nikon Corp
JP2014160106A (ja) * 2013-02-19 2014-09-04 Nikon Corp 光学系、光学機器及び光学系の製造方法
JP6548590B2 (ja) * 2016-02-18 2019-07-24 富士フイルム株式会社 撮像レンズおよび撮像装置
WO2017145264A1 (ja) * 2016-02-23 2017-08-31 Hoya株式会社 内視鏡用変倍光学系及び内視鏡
WO2017145265A1 (ja) * 2016-02-23 2017-08-31 Hoya株式会社 内視鏡用変倍光学系及び内視鏡
WO2017145208A1 (ja) 2016-02-24 2017-08-31 パナソニックＩｐマネジメント株式会社 ズームレンズ系、ズームレンズ系を有する撮像装置及び撮像装置を有する車両
CN111886531B (zh) 2018-03-22 2022-06-03 奥林巴斯株式会社 内窥镜物镜光学系统
CN109031616B (zh) * 2018-08-14 2020-10-23 瑞声光学解决方案私人有限公司 摄像光学镜头
CN109856759B (zh) * 2018-08-14 2021-06-22 瑞声光学解决方案私人有限公司 摄像光学镜头
CN109031611B (zh) * 2018-08-14 2020-10-23 瑞声光学解决方案私人有限公司 摄像光学镜头
JP6537028B1 (ja) * 2018-08-14 2019-07-03 エーエーシー テクノロジーズ ピーティーイー リミテッド 撮像光学レンズ
JP6551874B1 (ja) * 2018-08-14 2019-07-31 エーエーシー テクノロジーズ ピーティーイー リミテッド 撮像光学レンズ
JP6854576B2 (ja) * 2019-06-10 2021-04-07 カンタツ株式会社 撮像レンズ
KR20210041909A (ko) * 2019-10-08 2021-04-16 엘지이노텍 주식회사 촬상 렌즈
CN111239969A (zh) * 2020-02-24 2020-06-05 嘉兴中润光学科技有限公司 一种切换式投影用光学系统和图像拾取装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0658454B2 (ja) * 1985-07-03 1994-08-03 キヤノン株式会社 変倍フアインダ−
JPH10206732A (ja) 1997-01-24 1998-08-07 Nikon Corp 切換式変倍光学系
US6078433A (en) 1998-01-05 2000-06-20 Intel Corporation Zoom lens system
JP3606548B2 (ja) * 1999-03-31 2005-01-05 フジノン株式会社 ３群ズームレンズ
JP3862520B2 (ja) * 2001-06-08 2006-12-27 キヤノン株式会社 ズームレンズ及びそれを用いた光学機器
KR100467954B1 (ko) * 2001-09-18 2005-01-24 삼성테크윈 주식회사 소형 줌 렌즈
JP4244288B2 (ja) 2002-08-29 2009-03-25 フジノン株式会社 ３群ズームレンズ
JP4333158B2 (ja) 2003-02-21 2009-09-16 コニカミノルタオプト株式会社 ２焦点撮像レンズ
JP4374222B2 (ja) * 2003-09-01 2009-12-02 Ｈｏｙａ株式会社 変倍光学系
JP2005084647A (ja) 2003-09-11 2005-03-31 Fujinon Corp ズームレンズ
JP4450307B2 (ja) 2003-09-11 2010-04-14 フジノン株式会社 ３群ズームレンズ
US6839184B1 (en) * 2003-10-10 2005-01-04 Largan Precision Co., Ltd. Zoom lens assembly
JP2005181774A (ja) * 2003-12-22 2005-07-07 Fujinon Corp ズームレンズ
JP2006119193A (ja) * 2004-10-19 2006-05-11 Canon Inc ズームレンズおよびそれを有する撮像装置
US7336428B2 (en) * 2005-04-19 2008-02-26 Olympus Imaging Corp. Zoom lens system and electronic image pickup apparatus using the same
JP4914136B2 (ja) * 2005-09-06 2012-04-11 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

Also Published As

Publication number Publication date
KR100821586B1 (ko) 2008-04-15
US20070070523A1 (en) 2007-03-29
JP2007093961A (ja) 2007-04-12
US7292395B2 (en) 2007-11-06
CN1940632A (zh) 2007-04-04
KR20070036006A (ko) 2007-04-02
EP1770425A1 (en) 2007-04-04
CN100451718C (zh) 2009-01-14

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