FR1316287A - Objectif à foyer variable - Google Patents

Objectif à foyer variable

Info

Publication number
FR1316287A
FR1316287A FR889376A FR889376A FR1316287A FR 1316287 A FR1316287 A FR 1316287A FR 889376 A FR889376 A FR 889376A FR 889376 A FR889376 A FR 889376A FR 1316287 A FR1316287 A FR 1316287A
Authority
FR
France
Prior art keywords
focus lens
variable focus
variable
lens
focus
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
FR889376A
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to FR889376A priority Critical patent/FR1316287A/fr
Application granted granted Critical
Publication of FR1316287A publication Critical patent/FR1316287A/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
    • G02B15/142—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 two groups only
    • G02B15/1425—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 two groups only the first group being negative

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR889376A 1961-02-28 1962-02-27 Objectif à foyer variable Expired FR1316287A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR889376A FR1316287A (fr) 1961-02-28 1962-02-27 Objectif à foyer variable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP614261 1961-02-28
FR889376A FR1316287A (fr) 1961-02-28 1962-02-27 Objectif à foyer variable

Publications (1)

Publication Number Publication Date
FR1316287A true FR1316287A (fr) 1963-01-25

Family

ID=26194555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889376A Expired FR1316287A (fr) 1961-02-28 1962-02-27 Objectif à foyer variable

Country Status (1)

Country Link
FR (1) FR1316287A (fr)

Similar Documents

Publication Publication Date Title
CH381878A (fr) Objectif à focale variable
AT241152B (de) Objektiv veränderlicher Brennweite
CH412384A (de) Lichtstarkes Vario-Objektiv
FR1274469A (fr) Objectif à focale variable
CH395579A (de) Projektionsobjektiv mit kontinuierlich veränderlicher Brennweite
FR1299573A (fr) Perfectionnements aux lentilles multifocales
CH398117A (de) Spiegelobjektiv
CH400603A (de) Tele-Varioobjektiv
FR1423908A (fr) Lentille de contact à double foyer
FR1117690A (fr) Lentille à foyer variable
AT250049B (de) Lichtstarkes Vario-Objektiv
FR1376655A (fr) Perfectionnements aux objectifs à focale variable
FR1316287A (fr) Objectif à foyer variable
CH384888A (fr) Objectif à focale varible
CH437846A (de) Weitwinkelobjektiv
FR1259007A (fr) Objectif à distance focale variable de construction simple
FR1308216A (fr) Objectif à forte luminosité à focale variable
FR1371676A (fr) Objectif à focale variable
CH380407A (fr) Objectif à focale variable
CH396442A (de) Photographisches Tele-Objektiv
FR1244934A (fr) Objectif à distance focale variable
FR85460E (fr) Objectif de projection à distance focale progressivement variable
CH434789A (de) Lichtstarkes Vario-Objektiv
FR1339739A (fr) Objectif à miroirs
FR1299125A (fr) Objectifs à distance focale variable