JPH0423764B2 - - Google Patents

Info

Publication number
JPH0423764B2
JPH0423764B2 JP58007394A JP739483A JPH0423764B2 JP H0423764 B2 JPH0423764 B2 JP H0423764B2 JP 58007394 A JP58007394 A JP 58007394A JP 739483 A JP739483 A JP 739483A JP H0423764 B2 JPH0423764 B2 JP H0423764B2
Authority
JP
Japan
Prior art keywords
lens
screen
refractive power
lines
mtf
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
JP58007394A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59133517A (ja
Inventor
Makoto Uehara
Satoshi Mogami
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP58007394A priority Critical patent/JPS59133517A/ja
Priority to US06/570,769 priority patent/US4603950A/en
Publication of JPS59133517A publication Critical patent/JPS59133517A/ja
Publication of JPH0423764B2 publication Critical patent/JPH0423764B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP58007394A 1983-01-21 1983-01-21 投影レンズ Granted JPS59133517A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58007394A JPS59133517A (ja) 1983-01-21 1983-01-21 投影レンズ
US06/570,769 US4603950A (en) 1983-01-21 1984-01-16 Projection lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58007394A JPS59133517A (ja) 1983-01-21 1983-01-21 投影レンズ

Publications (2)

Publication Number Publication Date
JPS59133517A JPS59133517A (ja) 1984-07-31
JPH0423764B2 true JPH0423764B2 (en]) 1992-04-23

Family

ID=11664692

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58007394A Granted JPS59133517A (ja) 1983-01-21 1983-01-21 投影レンズ

Country Status (2)

Country Link
US (1) US4603950A (en])
JP (1) JPS59133517A (en])

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073514A (ja) * 1983-09-30 1985-04-25 Hitachi Ltd プロジェクションテレビ用レンズ
US4697892A (en) * 1983-10-18 1987-10-06 U.S. Precision Lens, Inc. Projection lens
JPS60220306A (ja) * 1984-04-18 1985-11-05 Konishiroku Photo Ind Co Ltd テレビプロジエクタ−用投影レンズ
US4801196A (en) * 1984-08-21 1989-01-31 U.S. Precision Lens, Incorporated Wide angle projection lens
GB2168502A (en) * 1984-12-14 1986-06-18 Philips Electronic Associated Projection lens system
JPS61200521A (ja) * 1985-03-01 1986-09-05 Konishiroku Photo Ind Co Ltd テレビプロジエクタ−用投影レンズ
JPS61249014A (ja) * 1985-04-27 1986-11-06 Minolta Camera Co Ltd ビデオプロジエクタ−用屈折型光学系
US4815831A (en) * 1985-07-11 1989-03-28 U.S. Precision Lens, Incorporated Projection lens with color correction
JP2523106B2 (ja) * 1986-01-29 1996-08-07 株式会社日立製作所 投写形テレビ用光学系
JPS62138811A (ja) * 1985-12-11 1987-06-22 Minolta Camera Co Ltd ビデオプロジエクタ−用屈折型光学系
US4682862A (en) * 1986-01-17 1987-07-28 U.S. Precision Lens Incorporated Projection lens
US4685774A (en) * 1986-01-17 1987-08-11 U.S. Precision Lens, Incorporated Projection lens
US4776681A (en) * 1986-01-17 1988-10-11 U.S. Precision Lens, Incorporated Projection lens
US4755028A (en) * 1986-10-14 1988-07-05 U.S Precision Lens, Incorporated Projection lens with an aspherical corrector lens element
US5066113A (en) * 1989-08-18 1991-11-19 Nikon Corporation Projecting lens
JP2764778B2 (ja) * 1992-10-30 1998-06-11 株式会社日立製作所 投写形テレビ用光学系
US5946142A (en) * 1995-12-11 1999-08-31 Hitachi Ltd. Projection lens system and projection image display apparatus using the same
JP2003015034A (ja) 2001-04-26 2003-01-15 Hitachi Ltd 投写用レンズ装置およびこれを用いた背面投写型画像表示装置
TWI467144B (zh) * 2012-08-16 2015-01-01 Univ Nat Chiao Tung 可縮短物距的光學模擬裝置
US10761244B2 (en) * 2015-08-13 2020-09-01 Ams Sensors Singapore Pte. Ltd. Illumination assembly for 3D data acquisition

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1080204A (en) * 1965-06-09 1967-08-23 Rudolph Rodenstock Means for flattening the image field of electron image tubes
GB1333185A (en) * 1972-05-26 1973-10-10 Rank Organisation Ltd Optical objective
US3868173A (en) * 1973-01-18 1975-02-25 Ambatis Maris Objective lens assembly for projection television
JPS55124114A (en) * 1978-09-08 1980-09-25 Us Precision Lens Inc Projector lens
US4300817A (en) * 1978-09-08 1981-11-17 U.S. Precision Lens Incorporated Projection lens
US4348081A (en) * 1979-09-05 1982-09-07 U.S. Precision Lens Inc. Projection lens
JPS5734515A (en) * 1980-08-09 1982-02-24 Minolta Camera Co Ltd Refracting index type optical system for video projector
JPS57108818A (en) * 1980-12-26 1982-07-07 Nippon Kogaku Kk <Nikon> Projection lens
JPS57177115A (en) * 1981-04-23 1982-10-30 Jihei Nakagawa Projection lens device
JPS58139111A (ja) * 1982-02-12 1983-08-18 Minolta Camera Co Ltd ビデオプロジエクタ−用屈折型光学系

Also Published As

Publication number Publication date
US4603950A (en) 1986-08-05
JPS59133517A (ja) 1984-07-31

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