FR1334463A - Objectif à focale variable à grande luminosité - Google Patents

Objectif à focale variable à grande luminosité

Info

Publication number
FR1334463A
FR1334463A FR902104A FR902104A FR1334463A FR 1334463 A FR1334463 A FR 1334463A FR 902104 A FR902104 A FR 902104A FR 902104 A FR902104 A FR 902104A FR 1334463 A FR1334463 A FR 1334463A
Authority
FR
France
Prior art keywords
high brightness
varifocal lens
varifocal
lens
brightness
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
FR902104A
Other languages
English (en)
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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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
Priority claimed from DESCH30039A external-priority patent/DE1209770B/de
Application filed by Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Priority to FR902104A priority Critical patent/FR1334463A/fr
Application granted granted Critical
Publication of FR1334463A publication Critical patent/FR1334463A/fr
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
    • G02B15/14—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
    • G02B15/1451—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 the first group being positive
    • G02B15/145125—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 the first group being positive arranged +--++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR902104A 1961-07-26 1962-06-27 Objectif à focale variable à grande luminosité Expired FR1334463A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR902104A FR1334463A (fr) 1961-07-26 1962-06-27 Objectif à focale variable à grande luminosité

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DESCH30039A DE1209770B (de) 1961-07-26 1961-07-26 Lichtstarkes Vario-Objektiv
FR902104A FR1334463A (fr) 1961-07-26 1962-06-27 Objectif à focale variable à grande luminosité
DESCH33278A DE1259596B (de) 1961-07-26 1963-05-14 Lichtstarkes Vario-Objektiv
DESC037311 1965-07-01

Publications (1)

Publication Number Publication Date
FR1334463A true FR1334463A (fr) 1963-08-09

Family

ID=31721582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902104A Expired FR1334463A (fr) 1961-07-26 1962-06-27 Objectif à focale variable à grande luminosité

Country Status (1)

Country Link
FR (1) FR1334463A (fr)

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