ATA774277A - Objektiv mit veraenderbarer brennweite - Google Patents

Objektiv mit veraenderbarer brennweite

Info

Publication number
ATA774277A
ATA774277A AT0774277A AT774277A ATA774277A AT A774277 A ATA774277 A AT A774277A AT 0774277 A AT0774277 A AT 0774277A AT 774277 A AT774277 A AT 774277A AT A774277 A ATA774277 A AT A774277A
Authority
AT
Austria
Prior art keywords
lens
focal length
changeable focal
changeable
length
Prior art date
Application number
AT0774277A
Other languages
English (en)
Other versions
AT366181B (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 ATA774277A publication Critical patent/ATA774277A/de
Application granted granted Critical
Publication of AT366181B publication Critical patent/AT366181B/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
    • G02B15/22—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 with movable lens means specially adapted for focusing at close distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
AT0774277A 1976-12-04 1977-10-28 Objektiv mit veraenderbarer brennweite AT366181B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762655116 DE2655116A1 (de) 1976-12-04 1976-12-04 Objektiv mit veraenderbarer brennweite

Publications (2)

Publication Number Publication Date
ATA774277A true ATA774277A (de) 1981-07-15
AT366181B AT366181B (de) 1982-03-25

Family

ID=5994737

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0774277A AT366181B (de) 1976-12-04 1977-10-28 Objektiv mit veraenderbarer brennweite

Country Status (6)

Country Link
US (1) US4196970A (de)
AT (1) AT366181B (de)
CH (1) CH622622A5 (de)
DE (1) DE2655116A1 (de)
FR (1) FR2373070A1 (de)
GB (1) GB1595349A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3150077C2 (de) * 1981-12-17 1985-03-14 Elmo Co. Ltd., Nagoya, Aichi Varioobjektiv
FR2658926A1 (en) * 1990-02-14 1991-08-30 Asahi Optical Co Ltd Photographic apparatus with a zoom lens including a macro view taking function
US6142630A (en) * 1998-05-08 2000-11-07 Koester; Charles J. Variable focus lens system such as for examination or treatment of transparent or semi-transparent materials such as ocular tissue
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
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
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
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
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
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
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
US9726859B1 (en) 2014-03-16 2017-08-08 Navitar Industries, Llc Optical assembly for a wide field of view camera with low TV distortion
US10386604B1 (en) 2014-03-16 2019-08-20 Navitar Industries, Llc Compact wide field of view digital camera with stray light impact suppression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773402A (en) * 1970-09-15 1973-11-20 Vockenhuber Karl Pancratic lens
US4113355A (en) * 1974-06-17 1978-09-12 Canon Kabushiki Kaisha Macro zoom lens
AT343937B (de) * 1975-08-06 1978-06-26 Eumig Pankratisches objektiv
AT339628B (de) * 1975-08-06 1977-10-25 Eumig Nach art eines umgekehrten teleobjektivs aufgebautes system
JPS6018043B2 (ja) * 1975-11-18 1985-05-08 キヤノン株式会社 ズームレンズの望遠化方法

Also Published As

Publication number Publication date
DE2655116A1 (de) 1978-06-08
FR2373070A1 (fr) 1978-06-30
CH622622A5 (de) 1981-04-15
AT366181B (de) 1982-03-25
GB1595349A (en) 1981-08-12
US4196970A (en) 1980-04-08

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