AT287341B - Pankratisches Projektionsobjektiv - Google Patents

Pankratisches Projektionsobjektiv

Info

Publication number
AT287341B
AT287341B AT786569A AT786569A AT287341B AT 287341 B AT287341 B AT 287341B AT 786569 A AT786569 A AT 786569A AT 786569 A AT786569 A AT 786569A AT 287341 B AT287341 B AT 287341B
Authority
AT
Austria
Prior art keywords
pancratic
projection lens
lens
projection
pancratic projection
Prior art date
Application number
AT786569A
Other languages
English (en)
Inventor
Trude Muszumanski
Gunter Kurz
Original Assignee
Eumig
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 Eumig filed Critical Eumig
Priority to AT786569A priority Critical patent/AT287341B/de
Priority to DE2036285A priority patent/DE2036285C3/de
Priority to US60841A priority patent/US3694056A/en
Application granted granted Critical
Publication of AT287341B publication Critical patent/AT287341B/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
    • G02B15/1435—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 negative
    • G02B15/143507—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 negative arranged -++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT786569A 1969-08-14 1969-08-14 Pankratisches Projektionsobjektiv AT287341B (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT786569A AT287341B (de) 1969-08-14 1969-08-14 Pankratisches Projektionsobjektiv
DE2036285A DE2036285C3 (de) 1969-08-14 1970-07-22 Pankratisches Projektionsobjektiv
US60841A US3694056A (en) 1969-08-14 1970-08-04 Pancratic projection lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT786569A AT287341B (de) 1969-08-14 1969-08-14 Pankratisches Projektionsobjektiv

Publications (1)

Publication Number Publication Date
AT287341B true AT287341B (de) 1971-01-25

Family

ID=3600218

Family Applications (1)

Application Number Title Priority Date Filing Date
AT786569A AT287341B (de) 1969-08-14 1969-08-14 Pankratisches Projektionsobjektiv

Country Status (3)

Country Link
US (1) US3694056A (de)
AT (1) AT287341B (de)
DE (1) DE2036285C3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852201B2 (ja) * 1974-04-04 1983-11-21 ミノルタ株式会社 変倍レンズ
CH621414A5 (de) * 1977-11-15 1981-01-30 Gretag Ag
DE3700162A1 (de) * 1986-09-01 1988-03-03 Docter Optic Wetzlar Gmbh Varioobjektiv fuer projektionszwecke
JPH10268193A (ja) * 1997-03-24 1998-10-09 Fuji Photo Optical Co Ltd ズームレンズ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906172A (en) * 1955-05-21 1959-09-29 Schneider Co Optische Werke Varifocal objective system
NL284345A (de) * 1961-10-16
DE1258135B (de) * 1962-04-06 1968-01-04 Schneider Co Optische Werke Lichtstarkes Objektiv mit veraenderbarer Brennweite und mechanischem Ausgleich der Bildverschiebung
CH427334A (de) * 1963-08-28 1966-12-31 Bertele Ludwig Objektiv veränderbarer Brennweite

Also Published As

Publication number Publication date
DE2036285A1 (de) 1971-02-18
DE2036285C3 (de) 1980-10-02
DE2036285B2 (de) 1980-01-31
US3694056A (en) 1972-09-26

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee