AT356412B - Objektiv mit veraenderbarer brennweite - Google Patents
Objektiv mit veraenderbarer brennweiteInfo
- Publication number
- AT356412B AT356412B AT561676A AT561676A AT356412B AT 356412 B AT356412 B AT 356412B AT 561676 A AT561676 A AT 561676A AT 561676 A AT561676 A AT 561676A AT 356412 B AT356412 B AT 356412B
- 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
- G02B15/16—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/17—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +--
-
- 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
- G02B15/145125—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 arranged +--++
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lens Barrels (AREA)
- Lenses (AREA)
- Telescopes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2533825A DE2533825C3 (de) | 1975-07-29 | 1975-07-29 | Entfernungseinstellung bei Objektiven mit veränderbarer Brennweite |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA561676A ATA561676A (de) | 1979-09-15 |
AT356412B true AT356412B (de) | 1980-04-25 |
Family
ID=5952704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT561676A AT356412B (de) | 1975-07-29 | 1976-07-29 | Objektiv mit veraenderbarer brennweite |
Country Status (6)
Country | Link |
---|---|
US (1) | US4054372A (de) |
JP (1) | JPS5217015A (de) |
AT (1) | AT356412B (de) |
DE (1) | DE2533825C3 (de) |
FR (1) | FR2319913A1 (de) |
GB (1) | GB1497384A (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52145051A (en) * | 1976-05-27 | 1977-12-02 | Minolta Camera Co Ltd | Zoom lens system permitting extra-close-up photographing |
GB1559514A (en) * | 1976-10-02 | 1980-01-23 | Pilkington Perkin Elmer Ltd | Infra-red zoom lenses |
DE2723540A1 (de) * | 1977-05-25 | 1978-12-07 | Schneider Co Optische Werke | Makroeinstell-einrichtung in objektiven mit veraenderbarer brennweite |
EP0094754B1 (de) * | 1982-05-08 | 1987-02-04 | Etablissements Pierre Angénieux SA | Vario-Objektiv für Kameras |
JPS5933012U (ja) * | 1982-08-21 | 1984-02-29 | 株式会社ニコン | ズ−ムレンズ鏡筒 |
USRE35409E (en) * | 1982-09-24 | 1996-12-24 | Moore; Sidney D. | Electrically addressable opto-electronic indicator for making dynamic evaluations of microscopic or larger subjects |
JPS61245121A (ja) * | 1985-04-23 | 1986-10-31 | Victor Co Of Japan Ltd | ズ−ムレンズ装置 |
JPH0654366B2 (ja) * | 1985-05-20 | 1994-07-20 | ウエスト電気株式会社 | ズ−ミング方法およびズ−ミング装置 |
FR2586828B1 (fr) * | 1985-08-29 | 1988-08-12 | Angenieux P Ets | Objectif a infra-rouge, a distance focale variable. |
US5136431A (en) * | 1988-12-06 | 1992-08-04 | Canon Kabushiki Kaisha | Zoom lens of the internal focus type |
US4991944A (en) * | 1988-12-27 | 1991-02-12 | Matsushita Electric Industrial Co., Ltd. | Zoom lens driving apparatus |
JP2773310B2 (ja) * | 1989-10-27 | 1998-07-09 | キヤノン株式会社 | ピント調整手段を有したズームレンズ |
JP2782636B2 (ja) * | 1990-02-26 | 1998-08-06 | 富士写真フイルム株式会社 | ビデオカメラ |
JP3074026B2 (ja) * | 1991-03-04 | 2000-08-07 | キヤノン株式会社 | 超広角型のズームレンズ |
JPH0713075A (ja) * | 1993-06-24 | 1995-01-17 | Nikon Corp | ズームレンズ |
JPH08234105A (ja) * | 1995-02-24 | 1996-09-13 | Olympus Optical Co Ltd | 望遠ズームレンズ |
JPH10142471A (ja) * | 1996-11-11 | 1998-05-29 | Fuji Photo Optical Co Ltd | ズームレンズ装置 |
JP3564014B2 (ja) * | 1999-09-28 | 2004-09-08 | キヤノン株式会社 | 防振機能を有したズームレンズ及びそれを有するテレビカメラ |
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 |
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 |
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 |
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 |
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 |
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 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1053396A (de) * | 1964-05-13 | |||
US3961845A (en) * | 1973-08-17 | 1976-06-08 | Fuji Photo Optical Co., Ltd. | Zoom lens system |
US3975089A (en) * | 1974-04-19 | 1976-08-17 | Ponder & Best, Inc. | Zoom lens |
-
1975
- 1975-07-29 DE DE2533825A patent/DE2533825C3/de not_active Expired
-
1976
- 1976-05-18 GB GB20438/76A patent/GB1497384A/en not_active Expired
- 1976-07-26 FR FR7622740A patent/FR2319913A1/fr active Granted
- 1976-07-28 JP JP51090142A patent/JPS5217015A/ja active Pending
- 1976-07-28 US US05/709,324 patent/US4054372A/en not_active Expired - Lifetime
- 1976-07-29 AT AT561676A patent/AT356412B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2319913B3 (de) | 1979-07-06 |
DE2533825C3 (de) | 1979-02-01 |
US4054372A (en) | 1977-10-18 |
GB1497384A (en) | 1978-01-12 |
DE2533825A1 (de) | 1977-02-10 |
JPS5217015A (en) | 1977-02-08 |
ATA561676A (de) | 1979-09-15 |
FR2319913A1 (fr) | 1977-02-25 |
DE2533825B2 (de) | 1978-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT356412B (de) | Objektiv mit veraenderbarer brennweite | |
AT358391B (de) | Einstelleinrichtung an objektiven mit veraenderbarer brennweite | |
SE7606295L (sv) | Optiskt element | |
AT343937B (de) | Pankratisches objektiv | |
SE7606384L (sv) | Implatationslins | |
AT386081B (de) | Objektiv mit veraenderbarer brennweite | |
AT366181B (de) | Objektiv mit veraenderbarer brennweite | |
AT334655B (de) | Pankratisches objektiv | |
FR2335860A1 (fr) | Lentille grossissante | |
AT342329B (de) | Objektiv mit veranderbarer brennweite | |
ATA673574A (de) | Aufnahmeobjektiv mit veranderbarer brennweite | |
ATA796474A (de) | Aufnahmeobjektiv mit veranderbarer brennweite | |
AT343936B (de) | Mikroskopobjektiv | |
AT340169B (de) | Pankratisches kameraobjektiv | |
AT356413B (de) | Optisches system mit veraenderbarer brennweite | |
AT336919B (de) | Pankratisches objektiv | |
ATA855174A (de) | Aufnahmeobjektiv mit veranderbarer brennweite | |
FR2308118A1 (fr) | Obturateur focal | |
AT346102B (de) | Pankratisches objektiv | |
AT350808B (de) | Aufnahmeobjektiv mit veraenderbarer brennweite | |
FR2309885A1 (fr) | Objectif catadioptrique | |
AT334653B (de) | Photographisches objektiv | |
SU552584A1 (ru) | Устройство автофокусировки объектива | |
ATA623375A (de) | Pankratisches objektiv | |
ATA899077A (de) | Optisches system mit veraenderbarer brennweite |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |