AT348790B - Pankratisches objektiv - Google Patents

Pankratisches objektiv

Info

Publication number
AT348790B
AT348790B AT769977A AT769977A AT348790B AT 348790 B AT348790 B AT 348790B AT 769977 A AT769977 A AT 769977A AT 769977 A AT769977 A AT 769977A AT 348790 B AT348790 B AT 348790B
Authority
AT
Austria
Prior art keywords
panratic
lens
panratic lens
Prior art date
Application number
AT769977A
Other languages
English (en)
Other versions
ATA769977A (de
Inventor
Walter Dipl Ing Dr Besenmatter
Elisabeth Dolezel
Trude Muszumanski
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 AT769977A priority Critical patent/AT348790B/de
Publication of ATA769977A publication Critical patent/ATA769977A/de
Priority to DE19782846235 priority patent/DE2846235A1/de
Application granted granted Critical
Publication of AT348790B publication Critical patent/AT348790B/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
    • G02B15/16—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
    • G02B15/177—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 negative front lens or group of lenses
    • 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
    • G02B15/1445—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 negative
    • G02B15/144511—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 negative arranged -+-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
AT769977A 1977-10-28 1977-10-28 Pankratisches objektiv AT348790B (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT769977A AT348790B (de) 1977-10-28 1977-10-28 Pankratisches objektiv
DE19782846235 DE2846235A1 (de) 1977-10-28 1978-10-24 Pankratisches objektiv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT769977A AT348790B (de) 1977-10-28 1977-10-28 Pankratisches objektiv

Publications (2)

Publication Number Publication Date
ATA769977A ATA769977A (de) 1978-07-15
AT348790B true AT348790B (de) 1979-03-12

Family

ID=3598638

Family Applications (1)

Application Number Title Priority Date Filing Date
AT769977A AT348790B (de) 1977-10-28 1977-10-28 Pankratisches objektiv

Country Status (2)

Country Link
AT (1) AT348790B (de)
DE (1) DE2846235A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745643A1 (fr) * 1996-03-04 1997-09-05 Fuji Photo Optical Co Ltd Systeme de lentilles a focale variable grand angle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745643A1 (fr) * 1996-03-04 1997-09-05 Fuji Photo Optical Co Ltd Systeme de lentilles a focale variable grand angle

Also Published As

Publication number Publication date
DE2846235A1 (de) 1979-05-03
ATA769977A (de) 1978-07-15

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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