FR1363557A - Objectif à grande luminosité à focale variable - Google Patents

Objectif à grande luminosité à focale variable

Info

Publication number
FR1363557A
FR1363557A FR938865A FR938865A FR1363557A FR 1363557 A FR1363557 A FR 1363557A FR 938865 A FR938865 A FR 938865A FR 938865 A FR938865 A FR 938865A FR 1363557 A FR1363557 A FR 1363557A
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
FR938865A
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
Application filed by Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Priority to FR938865A priority Critical patent/FR1363557A/fr
Application granted granted Critical
Publication of FR1363557A publication Critical patent/FR1363557A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR938865A 1962-07-13 1963-06-21 Objectif à grande luminosité à focale variable Expired FR1363557A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR938865A FR1363557A (fr) 1962-07-13 1963-06-21 Objectif à grande luminosité à focale variable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DESC031741 1962-07-13
FR938865A FR1363557A (fr) 1962-07-13 1963-06-21 Objectif à grande luminosité à focale variable

Publications (1)

Publication Number Publication Date
FR1363557A true FR1363557A (fr) 1964-06-12

Family

ID=25993002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938865A Expired FR1363557A (fr) 1962-07-13 1963-06-21 Objectif à grande luminosité à focale variable

Country Status (1)

Country Link
FR (1) FR1363557A (fr)

Similar Documents

Publication Publication Date Title
CH381878A (fr) Objectif à focale variable
AT241152B (de) Objektiv veränderlicher Brennweite
AT245821B (de) Objektiv mit veränderlicher Brennweite
FR1280357A (fr) Objectif photographique à distance focale variable
FR1274469A (fr) Objectif à focale variable
CH395579A (de) Projektionsobjektiv mit kontinuierlich veränderlicher Brennweite
CH400603A (de) Tele-Varioobjektiv
CH405749A (de) Lichtstarkes Projektionsobjektiv veränderlicher Brennweite
CH400604A (de) Lichtstarkes Objektiv mit veränderlicher Brennweite
FR1376655A (fr) Perfectionnements aux objectifs à focale variable
FR1363557A (fr) Objectif à grande luminosité à focale variable
FR1357790A (fr) Objectif de grande luminosité à focale variable
FR1308216A (fr) Objectif à forte luminosité à focale variable
CH384888A (fr) Objectif à focale varible
FR90544E (fr) Objectif à focale variable à grande luminosité
FR86076E (fr) Objectif à focale variable à grande luminosité
FR1334463A (fr) Objectif à focale variable à grande luminosité
FR1407593A (fr) Objectif à focale variable à grande luminosité
FR1371676A (fr) Objectif à focale variable
CH380407A (fr) Objectif à focale variable
FR1473070A (fr) Objectif à forte luminosité à focale variable
FR1516612A (fr) Objectif à forte luminosité à focale variable
FR1403997A (fr) Objectif à grande luminosité
FR1180843A (fr) Téléobjectif à grande luminosité
FR1377796A (fr) Caméra cinématographique à photomètre incorporé