ATA1019174A - Objektiv - Google Patents

Objektiv

Info

Publication number
ATA1019174A
ATA1019174A AT1019174A AT1019174A ATA1019174A AT A1019174 A ATA1019174 A AT A1019174A AT 1019174 A AT1019174 A AT 1019174A AT 1019174 A AT1019174 A AT 1019174A AT A1019174 A ATA1019174 A AT A1019174A
Authority
AT
Austria
Prior art keywords
lens
Prior art date
Application number
AT1019174A
Other languages
English (en)
Other versions
AT336313B (de
Inventor
Josef Ing Schild
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 AT1019174A priority Critical patent/AT336313B/de
Priority to DE19752557021 priority patent/DE2557021A1/de
Priority to JP50151698A priority patent/JPS5188219A/ja
Publication of ATA1019174A publication Critical patent/ATA1019174A/de
Application granted granted Critical
Publication of AT336313B publication Critical patent/AT336313B/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
    • G02B15/143—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 -++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
AT1019174A 1974-12-20 1974-12-20 Objektiv AT336313B (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT1019174A AT336313B (de) 1974-12-20 1974-12-20 Objektiv
DE19752557021 DE2557021A1 (de) 1974-12-20 1975-12-18 Objektiv
JP50151698A JPS5188219A (de) 1974-12-20 1975-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1019174A AT336313B (de) 1974-12-20 1974-12-20 Objektiv

Publications (2)

Publication Number Publication Date
ATA1019174A true ATA1019174A (de) 1976-08-15
AT336313B AT336313B (de) 1977-04-25

Family

ID=3620540

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1019174A AT336313B (de) 1974-12-20 1974-12-20 Objektiv

Country Status (3)

Country Link
JP (1) JPS5188219A (de)
AT (1) AT336313B (de)
DE (1) DE2557021A1 (de)

Also Published As

Publication number Publication date
AT336313B (de) 1977-04-25
DE2557021A1 (de) 1976-06-24
JPS5188219A (de) 1976-08-02

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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