CH468016A - Photographisches Objektiv mit veränderbarer Brennweite - Google Patents

Photographisches Objektiv mit veränderbarer Brennweite

Info

Publication number
CH468016A
CH468016A CH90268A CH90268A CH468016A CH 468016 A CH468016 A CH 468016A CH 90268 A CH90268 A CH 90268A CH 90268 A CH90268 A CH 90268A CH 468016 A CH468016 A CH 468016A
Authority
CH
Switzerland
Prior art keywords
focal length
photographic lens
adjustable focal
adjustable
photographic
Prior art date
Application number
CH90268A
Other languages
English (en)
Inventor
Guido Berger Johannes
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 CH468016A publication Critical patent/CH468016A/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)
CH90268A 1967-02-15 1968-01-22 Photographisches Objektiv mit veränderbarer Brennweite CH468016A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ12703A DE1280574B (de) 1967-02-15 1967-02-15 Photographisches Objektiv mit veraenderbarer Brennweite

Publications (1)

Publication Number Publication Date
CH468016A true CH468016A (de) 1969-01-31

Family

ID=7622720

Family Applications (1)

Application Number Title Priority Date Filing Date
CH90268A CH468016A (de) 1967-02-15 1968-01-22 Photographisches Objektiv mit veränderbarer Brennweite

Country Status (2)

Country Link
CH (1) CH468016A (de)
DE (1) DE1280574B (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095539A (de) * 1965-08-10

Also Published As

Publication number Publication date
DE1280574B (de) 1968-10-17

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