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CH489810A - Wide angle lens - Google Patents

Wide angle lens

Info

Publication number
CH489810A
CH489810A CH570368A CH570368A CH489810A CH 489810 A CH489810 A CH 489810A CH 570368 A CH570368 A CH 570368A CH 570368 A CH570368 A CH 570368A CH 489810 A CH489810 A CH 489810A
Authority
CH
Switzerland
Prior art keywords
wide angle
angle lens
lens
wide
angle
Prior art date
Application number
CH570368A
Other languages
German (de)
Inventor
Ludwig Dr Bertele
Original Assignee
Bertele Ludwig
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 filed Critical Bertele Ludwig
Priority to CH570368A priority Critical patent/CH489810A/en
Priority to DE19691918796 priority patent/DE1918796A1/en
Priority to FR6911669A priority patent/FR2006288A1/fr
Priority to NL6905871A priority patent/NL6905871A/xx
Priority to GB1230344D priority patent/GB1230344A/en
Publication of CH489810A publication Critical patent/CH489810A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Eyeglasses (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
CH570368A 1968-04-16 1968-04-16 Wide angle lens CH489810A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH570368A CH489810A (en) 1968-04-16 1968-04-16 Wide angle lens
DE19691918796 DE1918796A1 (en) 1968-04-16 1969-04-14 Wide angle lens
FR6911669A FR2006288A1 (en) 1968-04-16 1969-04-15
NL6905871A NL6905871A (en) 1968-04-16 1969-04-16
GB1230344D GB1230344A (en) 1968-04-16 1969-04-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH570368A CH489810A (en) 1968-04-16 1968-04-16 Wide angle lens

Publications (1)

Publication Number Publication Date
CH489810A true CH489810A (en) 1970-04-30

Family

ID=4297968

Family Applications (1)

Application Number Title Priority Date Filing Date
CH570368A CH489810A (en) 1968-04-16 1968-04-16 Wide angle lens

Country Status (5)

Country Link
CH (1) CH489810A (en)
DE (1) DE1918796A1 (en)
FR (1) FR2006288A1 (en)
GB (1) GB1230344A (en)
NL (1) NL6905871A (en)

Also Published As

Publication number Publication date
DE1918796A1 (en) 1970-11-19
FR2006288A1 (en) 1969-12-26
NL6905871A (en) 1969-10-20
GB1230344A (en) 1971-04-28

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Legal Events

Date Code Title Description
PL Patent ceased