FR1278778A - Variable focal length lens - Google Patents

Variable focal length lens

Info

Publication number
FR1278778A
FR1278778A FR844553A FR844553A FR1278778A FR 1278778 A FR1278778 A FR 1278778A FR 844553 A FR844553 A FR 844553A FR 844553 A FR844553 A FR 844553A FR 1278778 A FR1278778 A FR 1278778A
Authority
FR
France
Prior art keywords
focal length
length lens
variable focal
variable
lens
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR844553A
Other languages
French (fr)
Inventor
Egon Kaiser
Erich Richter
Helmut Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kamera und Kinowerke Dresden VEB
Original Assignee
Kamera und Kinowerke Dresden VEB
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 Kamera und Kinowerke Dresden VEB filed Critical Kamera und Kinowerke Dresden VEB
Priority to FR844553A priority Critical patent/FR1278778A/en
Application granted granted Critical
Publication of FR1278778A publication Critical patent/FR1278778A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
FR844553A 1960-11-21 1960-11-21 Variable focal length lens Expired FR1278778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR844553A FR1278778A (en) 1960-11-21 1960-11-21 Variable focal length lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844553A FR1278778A (en) 1960-11-21 1960-11-21 Variable focal length lens

Publications (1)

Publication Number Publication Date
FR1278778A true FR1278778A (en) 1961-12-15

Family

ID=8743131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844553A Expired FR1278778A (en) 1960-11-21 1960-11-21 Variable focal length lens

Country Status (1)

Country Link
FR (1) FR1278778A (en)

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