JPS5944602B2 - ズ−ム・レンズ - Google Patents

ズ−ム・レンズ

Info

Publication number
JPS5944602B2
JPS5944602B2 JP50123168A JP12316875A JPS5944602B2 JP S5944602 B2 JPS5944602 B2 JP S5944602B2 JP 50123168 A JP50123168 A JP 50123168A JP 12316875 A JP12316875 A JP 12316875A JP S5944602 B2 JPS5944602 B2 JP S5944602B2
Authority
JP
Japan
Prior art keywords
lens
concave
lenses
convex
meniscus
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
JP50123168A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5165649A (esLanguage
Inventor
ミン リユ− ワイ
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of JPS5165649A publication Critical patent/JPS5165649A/ja
Publication of JPS5944602B2 publication Critical patent/JPS5944602B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/24Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/146Optical 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 more than five groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Hydrogenated Pyridines (AREA)
JP50123168A 1974-10-17 1975-10-13 ズ−ム・レンズ Expired JPS5944602B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US515766A US3912374A (en) 1974-10-17 1974-10-17 Six component zoom lens
US515766 1983-07-21

Publications (2)

Publication Number Publication Date
JPS5165649A JPS5165649A (esLanguage) 1976-06-07
JPS5944602B2 true JPS5944602B2 (ja) 1984-10-31

Family

ID=24052650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50123168A Expired JPS5944602B2 (ja) 1974-10-17 1975-10-13 ズ−ム・レンズ

Country Status (7)

Country Link
US (1) US3912374A (esLanguage)
JP (1) JPS5944602B2 (esLanguage)
CA (1) CA1041336A (esLanguage)
DE (1) DE2546040C2 (esLanguage)
FR (1) FR2288323A1 (esLanguage)
GB (1) GB1519300A (esLanguage)
NL (1) NL7512031A (esLanguage)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149774A (en) * 1977-11-14 1979-04-17 Fuji Photo Optical Co., Ltd. Zoom lens system
JPS5768810A (en) * 1980-10-18 1982-04-27 Asahi Optical Co Ltd Variable nagnification lens system for copying
US4812021A (en) * 1987-10-07 1989-03-14 Xerox Corporation Wide angle zoom lens
JP2562636B2 (ja) * 1987-12-25 1996-12-11 富士写真光機株式会社 複写用変倍レンズ系
CN110941086B (zh) * 2019-12-19 2021-12-28 福建福光股份有限公司 一种超短型低畸变微光成像光学系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713849B1 (esLanguage) * 1969-09-08 1982-03-19
US3687522A (en) * 1971-02-01 1972-08-29 Ilex Optical Co Inc Variable magnification lens system for finite conjugate distances
US3865470A (en) * 1973-09-04 1975-02-11 Xerox Corp Variable magnification lens system

Also Published As

Publication number Publication date
US3912374A (en) 1975-10-14
CA1041336A (en) 1978-10-31
DE2546040C2 (de) 1984-11-22
JPS5165649A (esLanguage) 1976-06-07
FR2288323B1 (esLanguage) 1982-03-26
FR2288323A1 (fr) 1976-05-14
DE2546040A1 (de) 1976-04-22
GB1519300A (en) 1978-07-26
NL7512031A (nl) 1976-04-21

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