JPS5112424B2 - - Google Patents

Info

Publication number
JPS5112424B2
JPS5112424B2 JP47011707A JP1170772A JPS5112424B2 JP S5112424 B2 JPS5112424 B2 JP S5112424B2 JP 47011707 A JP47011707 A JP 47011707A JP 1170772 A JP1170772 A JP 1170772A JP S5112424 B2 JPS5112424 B2 JP S5112424B2
Authority
JP
Japan
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
JP47011707A
Other versions
JPS4881545A (ja
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 filed Critical
Priority to JP47011707A priority Critical patent/JPS5112424B2/ja
Priority to GB437673A priority patent/GB1418731A/en
Priority to DE2304737A priority patent/DE2304737C2/de
Priority to FR7303426A priority patent/FR2170086B1/fr
Publication of JPS4881545A publication Critical patent/JPS4881545A/ja
Priority to US05/506,128 priority patent/US3972591A/en
Publication of JPS5112424B2 publication Critical patent/JPS5112424B2/ja
Expired 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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/173—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
    • 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
    • G02B15/144105—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 arranged +-+-
    • 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
    • G02B15/144113—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 arranged +-++
    • 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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP47011707A 1972-02-01 1972-02-01 Expired JPS5112424B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP47011707A JPS5112424B2 (ja) 1972-02-01 1972-02-01
GB437673A GB1418731A (en) 1972-02-01 1973-01-29 Zoom lens systems
DE2304737A DE2304737C2 (de) 1972-02-01 1973-01-31 Mechanisch kompensiertes Varioobjektiv
FR7303426A FR2170086B1 (ja) 1972-02-01 1973-01-31
US05/506,128 US3972591A (en) 1972-02-01 1974-09-16 Greatly variable magnification zoom lens system of large aperture ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47011707A JPS5112424B2 (ja) 1972-02-01 1972-02-01

Publications (2)

Publication Number Publication Date
JPS4881545A JPS4881545A (ja) 1973-10-31
JPS5112424B2 true JPS5112424B2 (ja) 1976-04-19

Family

ID=11785503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47011707A Expired JPS5112424B2 (ja) 1972-02-01 1972-02-01

Country Status (4)

Country Link
JP (1) JPS5112424B2 (ja)
DE (1) DE2304737C2 (ja)
FR (1) FR2170086B1 (ja)
GB (1) GB1418731A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51144652A (en) * 1975-06-06 1976-12-11 Canon Inc Built-in multiplying factor altering optical system
JPS52120850A (en) * 1976-04-02 1977-10-11 Elmo Co Ltd Zoom lens having high zoom ratio and large relative aperture
JPS5919590Y2 (ja) * 1978-06-06 1984-06-06 日「鉄」溶接工業株式会社 被覆ア−ク溶接棒の移送区分装置
JP4517422B2 (ja) * 1999-11-24 2010-08-04 株式会社ニコン アフォーカルズームレンズ及び該レンズを備える顕微鏡
JP5603301B2 (ja) * 2011-07-19 2014-10-08 富士フイルム株式会社 投写用変倍光学系および投写型表示装置
DE102018204155B4 (de) 2018-03-19 2020-01-23 Carl Zeiss Ag Objektiv mit veränderlicher Brennweite und Verfahren zur Steuerung des Objektivs sowie Fernrohr und Fernglas mit einem solchen Objektiv

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3547523A (en) * 1967-07-13 1970-12-15 Konishiroku Photo Ind Zoom objective lens system with highly reduced secondary chromatic aberration

Also Published As

Publication number Publication date
JPS4881545A (ja) 1973-10-31
FR2170086B1 (ja) 1975-10-31
DE2304737A1 (de) 1973-08-16
FR2170086A1 (ja) 1973-09-14
DE2304737C2 (de) 1982-08-26
GB1418731A (en) 1975-12-24

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