AT329296B - DEVICE FOR ADJUSTING THE FOCAL LENGTH OF A LENS - Google Patents

DEVICE FOR ADJUSTING THE FOCAL LENGTH OF A LENS

Info

Publication number
AT329296B
AT329296B AT100874A AT100874A AT329296B AT 329296 B AT329296 B AT 329296B AT 100874 A AT100874 A AT 100874A AT 100874 A AT100874 A AT 100874A AT 329296 B AT329296 B AT 329296B
Authority
AT
Austria
Prior art keywords
lens
adjusting
focal length
focal
length
Prior art date
Application number
AT100874A
Other languages
German (de)
Other versions
ATA100874A (en
Inventor
Michael Ing Drahonovsky
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 AT100874A priority Critical patent/AT329296B/en
Priority to JP1285275U priority patent/JPS5194525U/ja
Priority to JP1286275U priority patent/JPS554802Y2/ja
Publication of ATA100874A publication Critical patent/ATA100874A/en
Application granted granted Critical
Publication of AT329296B publication Critical patent/AT329296B/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
    • 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
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Friction Gearing (AREA)
  • Non-Flushing Toilets (AREA)
AT100874A 1974-02-08 1974-02-08 DEVICE FOR ADJUSTING THE FOCAL LENGTH OF A LENS AT329296B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT100874A AT329296B (en) 1974-02-08 1974-02-08 DEVICE FOR ADJUSTING THE FOCAL LENGTH OF A LENS
JP1285275U JPS5194525U (en) 1974-02-08 1975-01-28
JP1286275U JPS554802Y2 (en) 1974-02-08 1975-01-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT100874A AT329296B (en) 1974-02-08 1974-02-08 DEVICE FOR ADJUSTING THE FOCAL LENGTH OF A LENS

Publications (2)

Publication Number Publication Date
ATA100874A ATA100874A (en) 1975-07-15
AT329296B true AT329296B (en) 1976-05-10

Family

ID=3504801

Family Applications (1)

Application Number Title Priority Date Filing Date
AT100874A AT329296B (en) 1974-02-08 1974-02-08 DEVICE FOR ADJUSTING THE FOCAL LENGTH OF A LENS

Country Status (2)

Country Link
JP (2) JPS554802Y2 (en)
AT (1) AT329296B (en)

Also Published As

Publication number Publication date
JPS5194525U (en) 1976-07-29
JPS554802Y2 (en) 1980-02-05
ATA100874A (en) 1975-07-15
JPS5181734U (en) 1976-06-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties