AT259896B - Lichstarkes Objektiv mit veränderlicher Brennweite - Google Patents

Lichstarkes Objektiv mit veränderlicher Brennweite

Info

Publication number
AT259896B
AT259896B AT1133365A AT1133365A AT259896B AT 259896 B AT259896 B AT 259896B AT 1133365 A AT1133365 A AT 1133365A AT 1133365 A AT1133365 A AT 1133365A AT 259896 B AT259896 B AT 259896B
Authority
AT
Austria
Prior art keywords
focal length
variable focal
powerful lens
powerful
lens
Prior art date
Application number
AT1133365A
Other languages
English (en)
Original Assignee
Schneider Co Optische Werke
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 Schneider Co Optische Werke filed Critical Schneider Co Optische Werke
Application granted granted Critical
Publication of AT259896B publication Critical patent/AT259896B/de

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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT1133365A 1964-12-28 1965-12-16 Lichstarkes Objektiv mit veränderlicher Brennweite AT259896B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESC036311 1964-12-28

Publications (1)

Publication Number Publication Date
AT259896B true AT259896B (de) 1968-02-12

Family

ID=7433818

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1133365A AT259896B (de) 1964-12-28 1965-12-16 Lichstarkes Objektiv mit veränderlicher Brennweite

Country Status (6)

Country Link
US (1) US3451743A (de)
AT (1) AT259896B (de)
CH (1) CH435787A (de)
DE (1) DE1248972B (de)
FR (1) FR1473070A (de)
GB (1) GB1134839A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2043193C3 (de) * 1970-09-01 1980-10-30 Kurt 2000 Hamburg Kirchhoff Anamorphotisches Aufnahmeobjektiv mit veränderbarer Brennweite

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925010A (en) * 1959-01-15 1960-02-16 Wollensak Optical Co Variable focal length lens
US2997921A (en) * 1959-10-07 1961-08-29 Revere Camera Co Lens for zoom viewfinders
US2984155A (en) * 1959-12-28 1961-05-16 Bausch & Lomb Variable magnification afocal optical system
US3307898A (en) * 1963-09-30 1967-03-07 Bausch & Lomb Optically compensated loom type optical objective

Also Published As

Publication number Publication date
GB1134839A (en) 1968-11-27
CH435787A (de) 1967-05-15
US3451743A (en) 1969-06-24
FR1473070A (fr) 1967-03-17
DE1248972B (de)

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