JPH1164726A - 広角レンズ - Google Patents

広角レンズ

Info

Publication number
JPH1164726A
JPH1164726A JP9226523A JP22652397A JPH1164726A JP H1164726 A JPH1164726 A JP H1164726A JP 9226523 A JP9226523 A JP 9226523A JP 22652397 A JP22652397 A JP 22652397A JP H1164726 A JPH1164726 A JP H1164726A
Authority
JP
Japan
Prior art keywords
lens
doe
chromatic aberration
positive
negative
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.)
Pending
Application number
JP9226523A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1164726A5 (enExample
Inventor
Tetsuo Nagata
永田哲生
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP9226523A priority Critical patent/JPH1164726A/ja
Priority to US09/070,155 priority patent/US5923479A/en
Publication of JPH1164726A publication Critical patent/JPH1164726A/ja
Publication of JPH1164726A5 publication Critical patent/JPH1164726A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4211—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting chromatic aberrations
    • 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
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements
    • 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
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4216—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting geometrical aberrations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Lenses (AREA)
JP9226523A 1997-08-22 1997-08-22 広角レンズ Pending JPH1164726A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9226523A JPH1164726A (ja) 1997-08-22 1997-08-22 広角レンズ
US09/070,155 US5923479A (en) 1997-08-22 1998-04-30 Wide-angle lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9226523A JPH1164726A (ja) 1997-08-22 1997-08-22 広角レンズ

Publications (2)

Publication Number Publication Date
JPH1164726A true JPH1164726A (ja) 1999-03-05
JPH1164726A5 JPH1164726A5 (enExample) 2005-05-19

Family

ID=16846471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9226523A Pending JPH1164726A (ja) 1997-08-22 1997-08-22 広角レンズ

Country Status (2)

Country Link
US (1) US5923479A (enExample)
JP (1) JPH1164726A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001324674A (ja) * 2000-03-08 2001-11-22 Canon Inc 光学系及び光学機器
US6621640B2 (en) 2000-04-04 2003-09-16 Canon Kabushiki Kaisha Projection display apparatus
US6791754B2 (en) 2000-03-08 2004-09-14 Canon Kabushiki Kaisha Optical system having a diffractive optical element, and optical apparatus
US7151636B2 (en) 2004-04-28 2006-12-19 Canon Kabushiki Kaisha Optical system
CN111856717A (zh) * 2020-08-18 2020-10-30 浙江舜宇光学有限公司 一种光学成像镜头
CN113534416A (zh) * 2021-08-18 2021-10-22 浙江舜宇光学有限公司 一种光学成像镜头

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6317268B1 (en) 1999-11-23 2001-11-13 Eastman Kodak Company Movie projection lens
US6708456B2 (en) * 1999-11-30 2004-03-23 Elk Premium Building Products, Inc. Roofing composite
JP3619145B2 (ja) * 2000-11-17 2005-02-09 キヤノン株式会社 光学系及びそれを用いた光学機器
US7009765B2 (en) * 2002-08-16 2006-03-07 Infocus Corporation Wide angle lens system having a distorted intermediate image
US7150537B2 (en) 2002-08-16 2006-12-19 Infocus Corporation Projection television device and screen
US7102820B2 (en) 2002-08-16 2006-09-05 Infocus Corporation Flat valley fresnel lens for a display device
US7090354B2 (en) * 2002-08-16 2006-08-15 Infocus Corporation Projection device and screen
US7088509B2 (en) * 2002-08-16 2006-08-08 Infocus Corporation Laminate screen for display device
US7777949B2 (en) * 2002-08-16 2010-08-17 Seiko Epson Corporation Laminate screen for a display device
US7341353B2 (en) * 2002-08-16 2008-03-11 Infocus Corporation Variable fresnel screen for use in projection device
US7175287B2 (en) * 2002-08-16 2007-02-13 Infocus Corporation Wide angle projection lens
US7088507B2 (en) * 2002-08-16 2006-08-08 Infocus Corporation Rear projection display
US6896375B2 (en) * 2002-08-16 2005-05-24 Infocus Corporation Rear projection display device having multiple mirrors that are substantially parallel to a screen
JP4229754B2 (ja) * 2003-05-15 2009-02-25 オリンパス株式会社 対物レンズ及びそれを用いた内視鏡
US7080910B2 (en) * 2003-08-19 2006-07-25 Infocus Corporation Method and system for a thermal architecture and user adjustable keystone in a display device
US7259912B2 (en) * 2004-01-06 2007-08-21 Infocus Corporation Fresnel lens having reduced distortions
US7050228B2 (en) * 2004-02-25 2006-05-23 Infocus Corporation Environmentally-adaptive frame assembly
US20070156051A1 (en) * 2005-12-29 2007-07-05 Amit Pascal Device and method for in-vivo illumination
US7885011B1 (en) 2009-08-19 2011-02-08 General Electric Company Objective for optical imaging systems
US8169696B2 (en) * 2009-06-04 2012-05-01 General Electric Company Systems for intraoperative nerve imaging

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189211A (en) * 1978-01-03 1980-02-19 Kollmorgen Corporation Wide angle telecentric projection lens assembly
US5148314A (en) * 1991-06-06 1992-09-15 Chen Chungte W Optical systems employing refractive and diffractive optical elements to correct for chromatic aberration
JPH06194571A (ja) * 1992-12-25 1994-07-15 Olympus Optical Co Ltd 内視鏡対物レンズ
JP3540349B2 (ja) * 1993-12-21 2004-07-07 オリンパス株式会社 バックフォーカスの長い広角レンズ
JP3373031B2 (ja) * 1994-03-11 2003-02-04 オリンパス光学工業株式会社 バックフォーカスの長い撮像レンズ
US5691847A (en) * 1994-08-08 1997-11-25 Hughes Aircraft Company Athermalized and achromatized optical systems employing diffractive optical element
JP3445413B2 (ja) * 1995-08-04 2003-09-08 オリンパス光学工業株式会社 レンズ系
US5774279A (en) * 1995-10-19 1998-06-30 Konica Corporation Retrofoucus photographic lens

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001324674A (ja) * 2000-03-08 2001-11-22 Canon Inc 光学系及び光学機器
US6791754B2 (en) 2000-03-08 2004-09-14 Canon Kabushiki Kaisha Optical system having a diffractive optical element, and optical apparatus
US6825979B2 (en) 2000-03-08 2004-11-30 Canon Kabushiki Kaisha Optical system having a diffractive optical element, and optical apparatus
US6621640B2 (en) 2000-04-04 2003-09-16 Canon Kabushiki Kaisha Projection display apparatus
US7151636B2 (en) 2004-04-28 2006-12-19 Canon Kabushiki Kaisha Optical system
CN111856717A (zh) * 2020-08-18 2020-10-30 浙江舜宇光学有限公司 一种光学成像镜头
CN111856717B (zh) * 2020-08-18 2023-12-15 浙江舜宇光学有限公司 一种光学成像镜头
CN113534416A (zh) * 2021-08-18 2021-10-22 浙江舜宇光学有限公司 一种光学成像镜头

Also Published As

Publication number Publication date
US5923479A (en) 1999-07-13

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