CH386128A - Photographic or cinematographic lens with variable focal length - Google Patents

Photographic or cinematographic lens with variable focal length

Info

Publication number
CH386128A
CH386128A CH733861A CH733861A CH386128A CH 386128 A CH386128 A CH 386128A CH 733861 A CH733861 A CH 733861A CH 733861 A CH733861 A CH 733861A CH 386128 A CH386128 A CH 386128A
Authority
CH
Switzerland
Prior art keywords
photographic
focal length
variable focal
cinematographic lens
cinematographic
Prior art date
Application number
CH733861A
Other languages
German (de)
Inventor
Himmelsbach Paul
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
Publication of CH386128A publication Critical patent/CH386128A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
CH733861A 1960-08-20 1961-06-22 Photographic or cinematographic lens with variable focal length CH386128A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH28362A DE1196068B (en) 1960-08-20 1960-08-20 Vario lens with axial adjustment of one or more optical elements by means of an electric motor attached to the lens carrier and controllable by end contacts

Publications (1)

Publication Number Publication Date
CH386128A true CH386128A (en) 1964-12-31

Family

ID=7431085

Family Applications (1)

Application Number Title Priority Date Filing Date
CH733861A CH386128A (en) 1960-08-20 1961-06-22 Photographic or cinematographic lens with variable focal length

Country Status (3)

Country Link
CH (1) CH386128A (en)
DE (1) DE1196068B (en)
GB (1) GB921951A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5258802A (en) * 1989-04-30 1993-11-02 Minolta Camera Kabushiki Kaisha Camera system which compensates for defocusing during operation
JPH0333836A (en) * 1989-06-30 1991-02-14 Asahi Optical Co Ltd Zoom camera
GB2237406B (en) * 1989-10-27 1993-11-03 Asahi Optical Co Ltd Zoom lens barrel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532685A (en) * 1949-07-23 1950-12-05 Joseph B Walker Lens adjusting mechanism
US2924146A (en) * 1958-05-14 1960-02-09 Frank G Back Remote control varifocal lens

Also Published As

Publication number Publication date
GB921951A (en) 1963-03-27
DE1196068B (en) 1965-07-01

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