ATA899077A - Optisches system mit veraenderbarer brennweite - Google Patents

Optisches system mit veraenderbarer brennweite

Info

Publication number
ATA899077A
ATA899077A AT0899077A AT899077A ATA899077A AT A899077 A ATA899077 A AT A899077A AT 0899077 A AT0899077 A AT 0899077A AT 899077 A AT899077 A AT 899077A AT A899077 A ATA899077 A AT A899077A
Authority
AT
Austria
Prior art keywords
optical system
focal length
changeable focal
changeable
length
Prior art date
Application number
AT0899077A
Other languages
English (en)
Other versions
AT367216B (de
Original Assignee
Bell & Howell Co
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 Bell & Howell Co filed Critical Bell & Howell Co
Priority to AT0899077A priority Critical patent/AT367216B/de
Publication of ATA899077A publication Critical patent/ATA899077A/de
Application granted granted Critical
Publication of AT367216B publication Critical patent/AT367216B/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
    • G02B15/145—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT0899077A 1977-12-15 1977-12-15 Optisches system mit veraenderbarer brennweite AT367216B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0899077A AT367216B (de) 1977-12-15 1977-12-15 Optisches system mit veraenderbarer brennweite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0899077A AT367216B (de) 1977-12-15 1977-12-15 Optisches system mit veraenderbarer brennweite

Publications (2)

Publication Number Publication Date
ATA899077A true ATA899077A (de) 1981-10-15
AT367216B AT367216B (de) 1982-06-11

Family

ID=3610244

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0899077A AT367216B (de) 1977-12-15 1977-12-15 Optisches system mit veraenderbarer brennweite

Country Status (1)

Country Link
AT (1) AT367216B (de)

Also Published As

Publication number Publication date
AT367216B (de) 1982-06-11

Similar Documents

Publication Publication Date Title
NL186711C (nl) Optische vezel.
SE7805823L (sv) Fiberoptik
JPS53135347A (en) Focus changeable optical system
SE7708395L (sv) Fiberoptikkoppling
AT356412B (de) Objektiv mit veraenderbarer brennweite
AT382726B (de) Vergroesserndes optisches system
SE7806162L (sv) Optiskt system
SE424476B (sv) Optisk metronom
NL188345C (nl) Optische vezel.
AT386081B (de) Objektiv mit veraenderbarer brennweite
AT347716B (de) Optisches system
AT366181B (de) Objektiv mit veraenderbarer brennweite
AT364984B (de) Optisches system
BR7803858A (pt) Localizador de centro otico
AT356413B (de) Optisches system mit veraenderbarer brennweite
SE425579B (sv) Optiskt system
AT351829B (de) Optisches system
NO149712C (no) Optisk system
ATA899077A (de) Optisches system mit veraenderbarer brennweite
SE418993B (sv) Optiskt system
AT348273B (de) Pankratisches objektiv
SE7803724L (sv) Stabiliserat optiskt element
DD138468A3 (de) Optisches boratglas
SE7809157L (sv) Optisk siktanordning
AT348274B (de) Pankratisches objektiv

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee