CH680168A5 - - Google Patents

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Publication number
CH680168A5
CH680168A5 CH783/89A CH78389A CH680168A5 CH 680168 A5 CH680168 A5 CH 680168A5 CH 783/89 A CH783/89 A CH 783/89A CH 78389 A CH78389 A CH 78389A CH 680168 A5 CH680168 A5 CH 680168A5
Authority
CH
Switzerland
Prior art keywords
lens
lens group
positive
negative
fixed
Prior art date
Application number
CH783/89A
Other languages
German (de)
English (en)
Inventor
Lothar Mueller
Klaus Krueger
Original Assignee
Zeiss Jena Veb Carl
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 Jena Veb Carl filed Critical Zeiss Jena Veb Carl
Publication of CH680168A5 publication Critical patent/CH680168A5/de

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/02—Objectives
    • G02B21/025—Objectives with variable magnification
    • 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 +--+
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
    • G02B21/20—Binocular arrangements
    • G02B21/22—Stereoscopic arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Lenses (AREA)
CH783/89A 1988-05-09 1989-03-02 CH680168A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD88315523A DD271962A1 (de) 1988-05-09 1988-05-09 Afokales pankratisches system

Publications (1)

Publication Number Publication Date
CH680168A5 true CH680168A5 (fr) 1992-06-30

Family

ID=5599052

Family Applications (1)

Application Number Title Priority Date Filing Date
CH783/89A CH680168A5 (fr) 1988-05-09 1989-03-02

Country Status (3)

Country Link
CH (1) CH680168A5 (fr)
DD (1) DD271962A1 (fr)
DE (1) DE3904190A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837135C5 (de) * 1997-09-29 2016-09-22 Carl Zeiss Meditec Ag Afokales Zoomsystem
DE102004052253B4 (de) * 2003-12-10 2018-02-08 Carl Zeiss Meditec Ag Objektiv für ein Operationsmikroskop, Operationsmikroskop sowie Verfahren zum Einstellen eines Objektivs
DE10359733A1 (de) * 2003-12-19 2005-07-14 Carl Zeiss Jena Gmbh Afokales Zoomsystem
DE102015005777A1 (de) * 2015-05-08 2016-02-18 Carl Zeiss Meditec Ag Stereomikroskop mit Zoom-System für Stereomitbeobachter

Also Published As

Publication number Publication date
DD271962A1 (de) 1989-09-20
DE3904190A1 (de) 1989-11-23

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Legal Events

Date Code Title Description
PL Patent ceased