FR1324821A - Variable focal length projection lens - Google Patents

Variable focal length projection lens

Info

Publication number
FR1324821A
FR1324821A FR900569A FR900569A FR1324821A FR 1324821 A FR1324821 A FR 1324821A FR 900569 A FR900569 A FR 900569A FR 900569 A FR900569 A FR 900569A FR 1324821 A FR1324821 A FR 1324821A
Authority
FR
France
Prior art keywords
focal length
projection lens
variable focal
length projection
variable
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
FR900569A
Other languages
French (fr)
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.)
Voigtlander AG
Original Assignee
Voigtlander AG
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 Voigtlander AG filed Critical Voigtlander AG
Priority to FR900569A priority Critical patent/FR1324821A/en
Application granted granted Critical
Publication of FR1324821A publication Critical patent/FR1324821A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR900569A 1962-06-13 1962-06-13 Variable focal length projection lens Expired FR1324821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR900569A FR1324821A (en) 1962-06-13 1962-06-13 Variable focal length projection lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR900569A FR1324821A (en) 1962-06-13 1962-06-13 Variable focal length projection lens

Publications (1)

Publication Number Publication Date
FR1324821A true FR1324821A (en) 1963-04-19

Family

ID=8780912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR900569A Expired FR1324821A (en) 1962-06-13 1962-06-13 Variable focal length projection lens

Country Status (1)

Country Link
FR (1) FR1324821A (en)

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