KR100837483B1 - 광학계 및 그것을 가지는 광학기기 - Google Patents

광학계 및 그것을 가지는 광학기기 Download PDF

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Publication number
KR100837483B1
KR100837483B1 KR1020060123471A KR20060123471A KR100837483B1 KR 100837483 B1 KR100837483 B1 KR 100837483B1 KR 1020060123471 A KR1020060123471 A KR 1020060123471A KR 20060123471 A KR20060123471 A KR 20060123471A KR 100837483 B1 KR100837483 B1 KR 100837483B1
Authority
KR
South Korea
Prior art keywords
optical system
optical
lens
partial dispersion
tio
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
KR1020060123471A
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English (en)
Korean (ko)
Other versions
KR20070061396A (ko
Inventor
사토시 마에타키
Original Assignee
캐논 가부시끼가이샤
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Filing date
Publication date
Application filed by 캐논 가부시끼가이샤 filed Critical 캐논 가부시끼가이샤
Publication of KR20070061396A publication Critical patent/KR20070061396A/ko
Application granted granted Critical
Publication of KR100837483B1 publication Critical patent/KR100837483B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • 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
    • 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
    • G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
KR1020060123471A 2005-12-08 2006-12-07 광학계 및 그것을 가지는 광학기기 Expired - Fee Related KR100837483B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00354792 2005-12-08
JP2005354792A JP4898205B2 (ja) 2005-12-08 2005-12-08 光学系及びそれを有する光学機器

Publications (2)

Publication Number Publication Date
KR20070061396A KR20070061396A (ko) 2007-06-13
KR100837483B1 true KR100837483B1 (ko) 2008-06-12

Family

ID=37709628

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060123471A Expired - Fee Related KR100837483B1 (ko) 2005-12-08 2006-12-07 광학계 및 그것을 가지는 광학기기

Country Status (5)

Country Link
US (1) US7394601B2 (enExample)
EP (1) EP1795922A1 (enExample)
JP (1) JP4898205B2 (enExample)
KR (1) KR100837483B1 (enExample)
CN (1) CN100470291C (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100002302A1 (en) * 2008-07-01 2010-01-07 Jacques Duparre Method and apparatus for chief ray angle correction using a diffractive lens
JP5300467B2 (ja) * 2008-12-26 2013-09-25 キヤノン株式会社 光学系及びそれを有する光学機器
JP2010249873A (ja) * 2009-04-10 2010-11-04 Canon Inc 光学系、及びそれを用いた撮像装置
JP2018054989A (ja) * 2016-09-30 2018-04-05 キヤノン株式会社 光学系およびそれを有する光学機器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0141203B1 (ko) * 1994-03-28 1998-08-17 이대원 투영광학계

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6049883B2 (ja) 1978-09-08 1985-11-05 キヤノン株式会社 望遠レンズ
JPS6055805B2 (ja) * 1979-05-07 1985-12-06 キヤノン株式会社 望遠レンズ
US5731907A (en) * 1994-11-18 1998-03-24 Lockheed Missiles & Space Company, Inc. Auxiliary lens with liquid element for correcting secondary color
US5638215A (en) * 1995-06-20 1997-06-10 Panavision International, L.P. Objective lens system
JP3486541B2 (ja) 1997-10-16 2004-01-13 キヤノン株式会社 防振機能を有したインナーフォーカス式の光学系及びそれを有するカメラ
US6115188A (en) * 1997-10-16 2000-09-05 Canon Kabushiki Kaisha Optical system and optical apparatus having the same
US6518353B2 (en) * 2000-12-22 2003-02-11 Eastman Kodal Company Reduced temperature sensitive polymeric optical article and method of making same
JP4411026B2 (ja) * 2002-08-30 2010-02-10 キヤノン株式会社 光学材料及び、光学素子、回折光学素子、積層型回折光学素子、光学系
JP4266732B2 (ja) * 2002-08-30 2009-05-20 キヤノン株式会社 積層型回折光学素子
JP2005148615A (ja) * 2003-11-19 2005-06-09 Olympus Corp 変倍光学系及びそれを用いた電子機器
JP2005148430A (ja) * 2003-11-17 2005-06-09 Olympus Corp 変倍光学系及びそれを用いた電子機器
JP2005181392A (ja) * 2003-12-16 2005-07-07 Canon Inc 光学系
JP4630645B2 (ja) * 2004-11-19 2011-02-09 キヤノン株式会社 光学系

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0141203B1 (ko) * 1994-03-28 1998-08-17 이대원 투영광학계

Also Published As

Publication number Publication date
US20070133100A1 (en) 2007-06-14
CN100470291C (zh) 2009-03-18
US7394601B2 (en) 2008-07-01
JP2007156313A (ja) 2007-06-21
JP4898205B2 (ja) 2012-03-14
EP1795922A1 (en) 2007-06-13
CN101004474A (zh) 2007-07-25
KR20070061396A (ko) 2007-06-13

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