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AT386081B - Objektiv mit veraenderbarer brennweite - Google Patents

Objektiv mit veraenderbarer brennweite

Info

Publication number
AT386081B
AT386081B AT0358779A AT358779A AT386081B AT 386081 B AT386081 B AT 386081B AT 0358779 A AT0358779 A AT 0358779A AT 358779 A AT358779 A AT 358779A AT 386081 B AT386081 B AT 386081B
Authority
AT
Austria
Prior art keywords
lens
focal length
changeable focal
changeable
length
Prior art date
Application number
AT0358779A
Other languages
English (en)
Other versions
ATA358779A (de
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 ATA358779A publication Critical patent/ATA358779A/de
Application granted granted Critical
Publication of AT386081B publication Critical patent/AT386081B/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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT0358779A 1978-07-10 1979-05-15 Objektiv mit veraenderbarer brennweite AT386081B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782830202 DE2830202A1 (de) 1978-07-10 1978-07-10 Objektiv mit veraenderbarer brennweite

Publications (2)

Publication Number Publication Date
ATA358779A ATA358779A (de) 1987-11-15
AT386081B true AT386081B (de) 1988-06-27

Family

ID=6043952

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0358779A AT386081B (de) 1978-07-10 1979-05-15 Objektiv mit veraenderbarer brennweite

Country Status (5)

Country Link
US (1) US4239339A (de)
JP (1) JPS5511799A (de)
AT (1) AT386081B (de)
DE (1) DE2830202A1 (de)
GB (1) GB2026198B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5464115A (en) * 1977-10-28 1979-05-23 Asahi Dow Ltd Paper coating composition
DE2943651C2 (de) * 1979-10-29 1982-10-14 Plüss-Staufer AG, 4665 Oftringen, Aargau Verfahren zur Herstellung von mineralischen Füllstoffen durch Naßzerkleinerung
JPS57135912A (en) * 1981-02-16 1982-08-21 Asahi Optical Co Ltd Zoom lens
JPS6117415A (ja) * 1984-07-05 1986-01-25 Tokuyama Soda Co Ltd 含水珪酸スラリー状填料の製造方法
JPS6278296A (ja) * 1985-09-30 1987-04-10 三菱製紙株式会社 印刷用塗被紙の製造方法
JPS6287414A (ja) * 1985-10-14 1987-04-21 Oji Paper Co Ltd 抄紙用重質炭酸カルシウムの処理方法
JP6145052B2 (ja) * 2014-02-17 2017-06-07 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
US10139595B1 (en) 2014-03-16 2018-11-27 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with low first lens diameter to image diagonal ratio
US9494772B1 (en) 2014-03-16 2016-11-15 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with low field curvature
US9091843B1 (en) 2014-03-16 2015-07-28 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with low track length to focal length ratio
US10386604B1 (en) 2014-03-16 2019-08-20 Navitar Industries, Llc Compact wide field of view digital camera with stray light impact suppression
US9995910B1 (en) 2014-03-16 2018-06-12 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with high MTF
US9316808B1 (en) 2014-03-16 2016-04-19 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with a low sag aspheric lens element
US10545314B1 (en) 2014-03-16 2020-01-28 Navitar Industries, Llc Optical assembly for a compact wide field of view digital camera with low lateral chromatic aberration
US9726859B1 (en) 2014-03-16 2017-08-08 Navitar Industries, Llc Optical assembly for a wide field of view camera with low TV distortion
US9316820B1 (en) 2014-03-16 2016-04-19 Hyperion Development, LLC Optical assembly for a wide field of view point action camera with low astigmatism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1472230A1 (de) * 1965-07-08 1969-01-16 Schneider Co Optische Werke Fotografisches Aufnahmeobjektiv mit veraenderbarer Brennweite
DE2164937A1 (de) * 1971-12-28 1973-07-05 Schneider Co Optische Werke Lichtstarkes objektiv mit veraenderbarer brennweite
AT317576B (de) * 1972-01-13 1974-09-10 Eumig Pankratisches Objektiv
AT340169B (de) * 1975-12-05 1977-11-25 Eumig Pankratisches kameraobjektiv

Also Published As

Publication number Publication date
GB2026198B (en) 1982-10-20
DE2830202A1 (de) 1980-01-24
ATA358779A (de) 1987-11-15
GB2026198A (en) 1980-01-30
JPS5511799A (en) 1980-01-26
US4239339A (en) 1980-12-16

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Legal Events

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