AT348273B - Pankratisches objektiv - Google Patents

Pankratisches objektiv

Info

Publication number
AT348273B
AT348273B AT389177A AT389177A AT348273B AT 348273 B AT348273 B AT 348273B AT 389177 A AT389177 A AT 389177A AT 389177 A AT389177 A AT 389177A AT 348273 B AT348273 B AT 348273B
Authority
AT
Austria
Prior art keywords
panratic
lens
panratic lens
Prior art date
Application number
AT389177A
Other languages
English (en)
Other versions
ATA389177A (de
Inventor
Trude Muszumanski
Franz Johannes Dr Poerscht
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 AT389177A priority Critical patent/AT348273B/de
Priority to DE19782822371 priority patent/DE2822371A1/de
Priority to JP6562378A priority patent/JPS542759A/ja
Priority to US05/911,328 priority patent/US4261648A/en
Publication of ATA389177A publication Critical patent/ATA389177A/de
Application granted granted Critical
Publication of AT348273B publication Critical patent/AT348273B/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT389177A 1977-06-02 1977-06-02 Pankratisches objektiv AT348273B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT389177A AT348273B (de) 1977-06-02 1977-06-02 Pankratisches objektiv
DE19782822371 DE2822371A1 (de) 1977-06-02 1978-05-23 Pankratisches objektiv
JP6562378A JPS542759A (en) 1977-06-02 1978-05-31 Zoom objective
US05/911,328 US4261648A (en) 1977-06-02 1978-06-01 Pancratic objective

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT389177A AT348273B (de) 1977-06-02 1977-06-02 Pankratisches objektiv

Publications (2)

Publication Number Publication Date
ATA389177A ATA389177A (de) 1978-06-15
AT348273B true AT348273B (de) 1979-02-12

Family

ID=3556839

Family Applications (1)

Application Number Title Priority Date Filing Date
AT389177A AT348273B (de) 1977-06-02 1977-06-02 Pankratisches objektiv

Country Status (4)

Country Link
US (1) US4261648A (de)
JP (1) JPS542759A (de)
AT (1) AT348273B (de)
DE (1) DE2822371A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459988A1 (fr) * 1979-06-26 1981-01-16 Angenieux P Ets Dispositif d'objectif a focale variable
JPS6221113A (ja) * 1985-07-22 1987-01-29 Konishiroku Photo Ind Co Ltd ズ−ムレンズ
JP3363688B2 (ja) * 1996-01-10 2003-01-08 キヤノン株式会社 ズームレンズ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784283A (en) * 1971-04-14 1974-01-08 Vockenhuber Karl Zoom lens for super-8 film
JPS5833532B2 (ja) * 1975-02-26 1983-07-20 キヤノン株式会社 ダイコウケイズ−ムレンズ

Also Published As

Publication number Publication date
JPS542759A (en) 1979-01-10
US4261648A (en) 1981-04-14
ATA389177A (de) 1978-06-15
DE2822371A1 (de) 1978-12-07

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee