AT366181B - Objektiv mit veraenderbarer brennweite - Google Patents
Objektiv mit veraenderbarer brennweiteInfo
- Publication number
- AT366181B AT366181B AT0774277A AT774277A AT366181B AT 366181 B AT366181 B AT 366181B AT 0774277 A AT0774277 A AT 0774277A AT 774277 A AT774277 A AT 774277A AT 366181 B AT366181 B AT 366181B
- Authority
- AT
- Austria
- Prior art keywords
- lens
- focal length
- changeable focal
- changeable
- length
- Prior art date
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)
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 ATA774277A (de) | 1981-07-15 |
AT366181B true 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)
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 |
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 |
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 |
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 |
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 |
US9726859B1 (en) | 2014-03-16 | 2017-08-08 | Navitar Industries, Llc | Optical assembly for a wide field of view camera with low TV distortion |
Family Cites Families (5)
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 |
AT339628B (de) * | 1975-08-06 | 1977-10-25 | Eumig | Nach art eines umgekehrten teleobjektivs aufgebautes system |
AT343937B (de) * | 1975-08-06 | 1978-06-26 | Eumig | Pankratisches objektiv |
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 |
-
1976
- 1976-12-04 DE DE19762655116 patent/DE2655116A1/de not_active Ceased
-
1977
- 1977-10-24 CH CH1292877A patent/CH622622A5/de not_active IP Right Cessation
- 1977-10-28 AT AT0774277A patent/AT366181B/de active
- 1977-11-07 FR FR7733438A patent/FR2373070A1/fr not_active Withdrawn
- 1977-11-22 GB GB48644/77A patent/GB1595349A/en not_active Expired
- 1977-12-02 US US05/857,190 patent/US4196970A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2373070A1 (fr) | 1978-06-30 |
DE2655116A1 (de) | 1978-06-08 |
ATA774277A (de) | 1981-07-15 |
CH622622A5 (de) | 1981-04-15 |
US4196970A (en) | 1980-04-08 |
GB1595349A (en) | 1981-08-12 |
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