AT340168B - Grundobjektiv - Google Patents

Grundobjektiv

Info

Publication number
AT340168B
AT340168B AT924274A AT924274A AT340168B AT 340168 B AT340168 B AT 340168B AT 924274 A AT924274 A AT 924274A AT 924274 A AT924274 A AT 924274A AT 340168 B AT340168 B AT 340168B
Authority
AT
Austria
Prior art keywords
basic lens
lens
basic
Prior art date
Application number
AT924274A
Other languages
English (en)
Other versions
ATA924274A (de
Inventor
Irmgard Wendisch
Original Assignee
Eumig
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 Eumig filed Critical Eumig
Priority to AT924274A priority Critical patent/AT340168B/de
Priority to FR7534813A priority patent/FR2291513A1/fr
Priority to DE19752551334 priority patent/DE2551334A1/de
Priority to JP50138601A priority patent/JPS5173451A/ja
Priority to US05/633,088 priority patent/US4050788A/en
Publication of ATA924274A publication Critical patent/ATA924274A/de
Application granted granted Critical
Publication of AT340168B publication Critical patent/AT340168B/de

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
    • G02B15/144109—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 +--+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT924274A 1974-11-18 1974-11-18 Grundobjektiv AT340168B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT924274A AT340168B (de) 1974-11-18 1974-11-18 Grundobjektiv
FR7534813A FR2291513A1 (fr) 1974-11-18 1975-11-14 Objectif principal
DE19752551334 DE2551334A1 (de) 1974-11-18 1975-11-15 Grundobjektiv
JP50138601A JPS5173451A (de) 1974-11-18 1975-11-18
US05/633,088 US4050788A (en) 1974-11-18 1975-11-18 Basic lens for pancratic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT924274A AT340168B (de) 1974-11-18 1974-11-18 Grundobjektiv

Publications (2)

Publication Number Publication Date
ATA924274A ATA924274A (de) 1977-03-15
AT340168B true AT340168B (de) 1977-11-25

Family

ID=3612447

Family Applications (1)

Application Number Title Priority Date Filing Date
AT924274A AT340168B (de) 1974-11-18 1974-11-18 Grundobjektiv

Country Status (5)

Country Link
US (1) US4050788A (de)
JP (1) JPS5173451A (de)
AT (1) AT340168B (de)
DE (1) DE2551334A1 (de)
FR (1) FR2291513A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5417042A (en) * 1977-07-08 1979-02-08 Canon Inc Wide-angle zoom lens
US4390248A (en) * 1979-09-27 1983-06-28 Canon Kabushiki Kaisha Wide angle zoom lens
JPS57135912A (en) * 1981-02-16 1982-08-21 Asahi Optical Co Ltd Zoom lens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT317576B (de) * 1972-01-13 1974-09-10 Eumig Pankratisches Objektiv
AT333051B (de) * 1972-10-16 1976-11-10 Eumig Pankratisches objektiv

Also Published As

Publication number Publication date
JPS5173451A (de) 1976-06-25
FR2291513B1 (de) 1982-04-16
DE2551334A1 (de) 1976-05-20
FR2291513A1 (fr) 1976-06-11
US4050788A (en) 1977-09-27
ATA924274A (de) 1977-03-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee