JPS5865407A - ズ−ムレンズ系 - Google Patents

ズ−ムレンズ系

Info

Publication number
JPS5865407A
JPS5865407A JP56164565A JP16456581A JPS5865407A JP S5865407 A JPS5865407 A JP S5865407A JP 56164565 A JP56164565 A JP 56164565A JP 16456581 A JP16456581 A JP 16456581A JP S5865407 A JPS5865407 A JP S5865407A
Authority
JP
Japan
Prior art keywords
lens
aberration
focal length
zoom
positive
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.)
Granted
Application number
JP56164565A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0139563B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Tomotou Takahashi
友刀 高橋
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
Nikon Corp
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
Priority to JP56164565A priority Critical patent/JPS5865407A/ja
Priority to US06/367,981 priority patent/US4653872A/en
Priority to DE19823215052 priority patent/DE3215052A1/de
Priority to GB08211701A priority patent/GB2102142A/en
Publication of JPS5865407A publication Critical patent/JPS5865407A/ja
Publication of JPH0139563B2 publication Critical patent/JPH0139563B2/ja
Granted 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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
JP56164565A 1981-04-22 1981-10-15 ズ−ムレンズ系 Granted JPS5865407A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56164565A JPS5865407A (ja) 1981-10-15 1981-10-15 ズ−ムレンズ系
US06/367,981 US4653872A (en) 1981-04-22 1982-04-13 Athermalized zoom lens system
DE19823215052 DE3215052A1 (de) 1981-04-22 1982-04-22 Varioobjektiv
GB08211701A GB2102142A (en) 1981-04-22 1982-04-22 Athermalised zoom lens system comprising mainly plastics lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56164565A JPS5865407A (ja) 1981-10-15 1981-10-15 ズ−ムレンズ系

Publications (2)

Publication Number Publication Date
JPS5865407A true JPS5865407A (ja) 1983-04-19
JPH0139563B2 JPH0139563B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-08-22

Family

ID=15795573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56164565A Granted JPS5865407A (ja) 1981-04-22 1981-10-15 ズ−ムレンズ系

Country Status (1)

Country Link
JP (1) JPS5865407A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6091320A (ja) * 1983-10-26 1985-05-22 Hitachi Ltd プラスチツクレンズを用いたズ−ムレンズ
JPS60107013A (ja) * 1983-11-16 1985-06-12 Hitachi Ltd ズ−ムレンズ
JPS60189722A (ja) * 1984-03-12 1985-09-27 Hitachi Ltd ズ−ムレンズ
JPH01222212A (ja) * 1987-12-11 1989-09-05 Eastman Kodak Co ズームレンズ
US5504625A (en) * 1990-10-09 1996-04-02 Asahi Kogaku Kogyo Kabushiki Kaisha Variable power projection lens
JP2007108710A (ja) * 2005-09-13 2007-04-26 Olympus Imaging Corp 結像光学系及びそれを有する電子撮像装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920315A (en) * 1974-10-15 1975-11-18 Bell & Howell Co Zoom projection lens
US3972592A (en) * 1974-10-18 1976-08-03 Eastman Kodak Company Zoom projection lens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920315A (en) * 1974-10-15 1975-11-18 Bell & Howell Co Zoom projection lens
US3972592A (en) * 1974-10-18 1976-08-03 Eastman Kodak Company Zoom projection lens

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6091320A (ja) * 1983-10-26 1985-05-22 Hitachi Ltd プラスチツクレンズを用いたズ−ムレンズ
JPS60107013A (ja) * 1983-11-16 1985-06-12 Hitachi Ltd ズ−ムレンズ
JPS60189722A (ja) * 1984-03-12 1985-09-27 Hitachi Ltd ズ−ムレンズ
JPH01222212A (ja) * 1987-12-11 1989-09-05 Eastman Kodak Co ズームレンズ
US5504625A (en) * 1990-10-09 1996-04-02 Asahi Kogaku Kogyo Kabushiki Kaisha Variable power projection lens
JP2007108710A (ja) * 2005-09-13 2007-04-26 Olympus Imaging Corp 結像光学系及びそれを有する電子撮像装置

Also Published As

Publication number Publication date
JPH0139563B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-08-22

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