JPH0139563B2 - - Google Patents

Info

Publication number
JPH0139563B2
JPH0139563B2 JP56164565A JP16456581A JPH0139563B2 JP H0139563 B2 JPH0139563 B2 JP H0139563B2 JP 56164565 A JP56164565 A JP 56164565A JP 16456581 A JP16456581 A JP 16456581A JP H0139563 B2 JPH0139563 B2 JP H0139563B2
Authority
JP
Japan
Prior art keywords
lens
temperature
aberration
focal length
zoom
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
Application number
JP56164565A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5865407A (ja
Inventor
Juto Takahashi
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
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 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 JPS5865407A (ja) 1983-04-19
JPH0139563B2 true JPH0139563B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Families Citing this family (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
KR910005552B1 (ko) * 1987-12-11 1991-07-31 이스트만 코닥 컴퍼니 줌 렌즈
JP3100693B2 (ja) * 1990-10-09 2000-10-16 旭光学工業株式会社 変倍投影レンズ
JP5289691B2 (ja) * 2005-09-13 2013-09-11 オリンパス株式会社 結像光学系及びそれを有する電子撮像装置

Family Cites Families (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

Also Published As

Publication number Publication date
JPS5865407A (ja) 1983-04-19

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