CH380404A - Photographisches Objektiv kontinuierlich veränderbarer Brennweite - Google Patents

Photographisches Objektiv kontinuierlich veränderbarer Brennweite

Info

Publication number
CH380404A
CH380404A CH75260A CH75260A CH380404A CH 380404 A CH380404 A CH 380404A CH 75260 A CH75260 A CH 75260A CH 75260 A CH75260 A CH 75260A CH 380404 A CH380404 A CH 380404A
Authority
CH
Switzerland
Prior art keywords
focal length
continuously variable
photographic lens
variable focal
photographic
Prior art date
Application number
CH75260A
Other languages
English (en)
Inventor
Guenther Dr Lange
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 CH380404A publication Critical patent/CH380404A/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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143105—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 three groups only the first group being positive arranged +-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
CH75260A 1959-02-03 1960-01-22 Photographisches Objektiv kontinuierlich veränderbarer Brennweite CH380404A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ7092A DE1101793B (de) 1959-02-03 1959-02-03 Photographisches Objektiv mit kontinuierlich veraenderlicher Brennweite

Publications (1)

Publication Number Publication Date
CH380404A true CH380404A (de) 1964-07-31

Family

ID=7620002

Family Applications (1)

Application Number Title Priority Date Filing Date
CH75260A CH380404A (de) 1959-02-03 1960-01-22 Photographisches Objektiv kontinuierlich veränderbarer Brennweite

Country Status (2)

Country Link
CH (1) CH380404A (de)
DE (1) DE1101793B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4690519A (en) * 1985-05-17 1987-09-01 Bausch & Lomb Incorporated Zoom microscope having a crank and linkage mechanism
DE102024115320A1 (de) * 2024-06-03 2025-12-04 Carl Zeiss Microscopy Gmbh Anordnung zur Verstellung von Linsengruppen eines Zoomsystems sowie Zoomsystem

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841903B1 (de) * 1969-07-12 1973-12-10
JPS4832387B1 (de) * 1969-07-26 1973-10-05
FR2137598B1 (de) * 1971-05-08 1975-03-21 Canon Kk

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE590881C (de) * 1935-01-29 Emil Busch Akt Ges Optische In Projektionsobjektiv mit veraenderlicher Brennweite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4690519A (en) * 1985-05-17 1987-09-01 Bausch & Lomb Incorporated Zoom microscope having a crank and linkage mechanism
DE102024115320A1 (de) * 2024-06-03 2025-12-04 Carl Zeiss Microscopy Gmbh Anordnung zur Verstellung von Linsengruppen eines Zoomsystems sowie Zoomsystem

Also Published As

Publication number Publication date
DE1101793B (de) 1961-03-09

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