AT342330B - PANRATIC LENS - Google Patents

PANRATIC LENS

Info

Publication number
AT342330B
AT342330B AT276476A AT276476A AT342330B AT 342330 B AT342330 B AT 342330B AT 276476 A AT276476 A AT 276476A AT 276476 A AT276476 A AT 276476A AT 342330 B AT342330 B AT 342330B
Authority
AT
Austria
Prior art keywords
panratic
lens
panratic lens
Prior art date
Application number
AT276476A
Other languages
German (de)
Other versions
ATA276476A (en
Inventor
Walter Dipl Ing Besenmatter
Robert Gerlich
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 AT276476A priority Critical patent/AT342330B/en
Priority to DE19762648605 priority patent/DE2648605A1/en
Publication of ATA276476A publication Critical patent/ATA276476A/en
Application granted granted Critical
Publication of AT342330B publication Critical patent/AT342330B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • 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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive
    • G02B15/145125—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 five 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
    • G02B15/143—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 three groups only
    • G02B15/1435—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 three groups only the first group being negative
    • G02B15/143507—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 three groups only the first group being negative 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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive
    • G02B15/145121—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 five groups only the first group being positive arranged +-+-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
AT276476A 1976-04-15 1976-04-15 PANRATIC LENS AT342330B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT276476A AT342330B (en) 1976-04-15 1976-04-15 PANRATIC LENS
DE19762648605 DE2648605A1 (en) 1976-04-15 1976-10-27 Variation of focal length of zoom lenses - using displaceable mounting and intermediate element and positive base lens (OE 15.7.77)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT276476A AT342330B (en) 1976-04-15 1976-04-15 PANRATIC LENS

Publications (2)

Publication Number Publication Date
ATA276476A ATA276476A (en) 1977-07-15
AT342330B true AT342330B (en) 1978-03-28

Family

ID=3539923

Family Applications (1)

Application Number Title Priority Date Filing Date
AT276476A AT342330B (en) 1976-04-15 1976-04-15 PANRATIC LENS

Country Status (2)

Country Link
AT (1) AT342330B (en)
DE (1) DE2648605A1 (en)

Also Published As

Publication number Publication date
ATA276476A (en) 1977-07-15
DE2648605A1 (en) 1977-11-03

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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