CH472680A - Photographisches Objektiv mit stetig veränderbarer Brennweite - Google Patents

Photographisches Objektiv mit stetig veränderbarer Brennweite

Info

Publication number
CH472680A
CH472680A CH110168A CH110168A CH472680A CH 472680 A CH472680 A CH 472680A CH 110168 A CH110168 A CH 110168A CH 110168 A CH110168 A CH 110168A CH 472680 A CH472680 A CH 472680A
Authority
CH
Switzerland
Prior art keywords
focal length
continuously variable
photographic lens
variable focal
photographic
Prior art date
Application number
CH110168A
Other languages
English (en)
Inventor
Basista Heinrich
Original Assignee
Zeiss Carl Fa
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 Zeiss Carl Fa filed Critical Zeiss Carl Fa
Publication of CH472680A publication Critical patent/CH472680A/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
    • G02B15/144109—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)
CH110168A 1967-04-03 1968-01-25 Photographisches Objektiv mit stetig veränderbarer Brennweite CH472680A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ12781A DE1253477B (de) 1967-04-03 1967-04-03 Photographisches Objektiv mit stetig veraenderbarer Brennweite

Publications (1)

Publication Number Publication Date
CH472680A true CH472680A (de) 1969-05-15

Family

ID=7622784

Family Applications (1)

Application Number Title Priority Date Filing Date
CH110168A CH472680A (de) 1967-04-03 1968-01-25 Photographisches Objektiv mit stetig veränderbarer Brennweite

Country Status (3)

Country Link
CH (1) CH472680A (de)
DE (1) DE1253477B (de)
GB (1) GB1167114A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299454A (en) 1978-09-11 1981-11-10 Vivitar Corporation Wide angle to long focus zoom lens

Also Published As

Publication number Publication date
GB1167114A (en) 1969-10-15
DE1253477B (de) 1967-11-02

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Legal Events

Date Code Title Description
PL Patent ceased