CH522230A - Lens with adjustable focal length - Google Patents

Lens with adjustable focal length

Info

Publication number
CH522230A
CH522230A CH458670A CH458670A CH522230A CH 522230 A CH522230 A CH 522230A CH 458670 A CH458670 A CH 458670A CH 458670 A CH458670 A CH 458670A CH 522230 A CH522230 A CH 522230A
Authority
CH
Switzerland
Prior art keywords
lens
focal length
adjustable focal
adjustable
length
Prior art date
Application number
CH458670A
Other languages
German (de)
Inventor
Ludwig Dr Bertele
Bertele Juergen
Original Assignee
Bertele Ludwig
Bertele Juergen
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 Bertele Ludwig, Bertele Juergen filed Critical Bertele Ludwig
Priority to CH458670A priority Critical patent/CH522230A/en
Priority to AT231971A priority patent/AT301206B/en
Priority to IT86221/71A priority patent/IT942317B/en
Priority to DE19712114073 priority patent/DE2114073A1/en
Priority to GB2530571*A priority patent/GB1336768A/en
Publication of CH522230A publication Critical patent/CH522230A/en

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
    • G02B15/146—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 more than five groups
    • G02B15/1465—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 more than five groups the first group being negative

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
CH458670A 1970-03-25 1970-03-25 Lens with adjustable focal length CH522230A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH458670A CH522230A (en) 1970-03-25 1970-03-25 Lens with adjustable focal length
AT231971A AT301206B (en) 1970-03-25 1971-03-17 Lens with adjustable focal length
IT86221/71A IT942317B (en) 1970-03-25 1971-03-17 VARIABLE FOCAL DISTANCE LENS
DE19712114073 DE2114073A1 (en) 1970-03-25 1971-03-23 Lens with adjustable focal length
GB2530571*A GB1336768A (en) 1970-03-25 1971-04-19 Lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH458670A CH522230A (en) 1970-03-25 1970-03-25 Lens with adjustable focal length

Publications (1)

Publication Number Publication Date
CH522230A true CH522230A (en) 1972-06-15

Family

ID=4278848

Family Applications (1)

Application Number Title Priority Date Filing Date
CH458670A CH522230A (en) 1970-03-25 1970-03-25 Lens with adjustable focal length

Country Status (5)

Country Link
AT (1) AT301206B (en)
CH (1) CH522230A (en)
DE (1) DE2114073A1 (en)
GB (1) GB1336768A (en)
IT (1) IT942317B (en)

Also Published As

Publication number Publication date
DE2114073A1 (en) 1971-10-14
IT942317B (en) 1973-03-20
GB1336768A (en) 1973-11-07
AT301206B (en) 1972-08-25

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Legal Events

Date Code Title Description
PL Patent ceased