AT245821B - Objektiv mit veränderlicher Brennweite - Google Patents
Objektiv mit veränderlicher BrennweiteInfo
- Publication number
- AT245821B AT245821B AT968763A AT968763A AT245821B AT 245821 B AT245821 B AT 245821B AT 968763 A AT968763 A AT 968763A AT 968763 A AT968763 A AT 968763A AT 245821 B AT245821 B AT 245821B
- Authority
- AT
- Austria
- Prior art keywords
- lens
- focal length
- variable focal
- variable
- 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
- G02B15/146—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 more than five groups
- G02B15/1465—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 more than five groups the first group being negative
-
- 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
- G02B15/146—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 more than five groups
- G02B15/1461—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 more than five groups the first group being positive
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/74—Applying photosensitive compositions to the base; Drying processes therefor
- G03C2001/7403—Air jets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1070463A CH427334A (de) | 1963-08-28 | 1963-08-28 | Objektiv veränderbarer Brennweite |
Publications (1)
Publication Number | Publication Date |
---|---|
AT245821B true AT245821B (de) | 1966-03-25 |
Family
ID=4365943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT968763A AT245821B (de) | 1963-08-28 | 1963-12-03 | Objektiv mit veränderlicher Brennweite |
Country Status (6)
Country | Link |
---|---|
US (1) | US3466113A (de) |
AT (1) | AT245821B (de) |
CH (1) | CH427334A (de) |
DE (1) | DE1236816C2 (de) |
FR (1) | FR1405071A (de) |
GB (1) | GB1067428A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3597048A (en) * | 1969-02-07 | 1971-08-03 | Ludwig Bertele | Varifocal objective with movable lens component of positive refractivity |
AT287341B (de) * | 1969-08-14 | 1971-01-25 | Eumig | Pankratisches Projektionsobjektiv |
JPS523584B1 (de) * | 1971-07-19 | 1977-01-28 | ||
JPS5852201B2 (ja) * | 1974-04-04 | 1983-11-21 | ミノルタ株式会社 | 変倍レンズ |
AT339067B (de) * | 1975-08-11 | 1977-09-26 | Eumig | Afokaler vorsatz |
JPH0658454B2 (ja) * | 1985-07-03 | 1994-08-03 | キヤノン株式会社 | 変倍フアインダ− |
JPH0693072B2 (ja) * | 1986-02-21 | 1994-11-16 | オリンパス光学工業株式会社 | ズ−ムフアインダ− |
US5875059A (en) * | 1997-02-19 | 1999-02-23 | Eastman Kodak Company | Variable focal length lens system having a divergent front lens unit |
US7218444B2 (en) * | 2004-05-03 | 2007-05-15 | Raytheon Company | Dual-band, dual-focal-length, relayed refractive imager |
TWI582458B (zh) | 2016-04-22 | 2017-05-11 | 大立光電股份有限公司 | 成像光學系統鏡組、取像裝置及電子裝置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US3294470A (en) * | 1963-07-01 | 1966-12-27 | Bausch & Lomb | Pancratic condenser for projectors |
-
1963
- 1963-08-28 CH CH1070463A patent/CH427334A/de unknown
- 1963-12-03 AT AT968763A patent/AT245821B/de active
-
1964
- 1964-08-24 US US391528A patent/US3466113A/en not_active Expired - Lifetime
- 1964-08-25 FR FR986149A patent/FR1405071A/fr not_active Expired
- 1964-08-26 GB GB35034/64A patent/GB1067428A/en not_active Expired
- 1964-08-27 DE DE1964B0078287 patent/DE1236816C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1067428A (en) | 1967-05-03 |
CH427334A (de) | 1966-12-31 |
FR1405071A (fr) | 1965-07-02 |
US3466113A (en) | 1969-09-09 |
DE1236816C2 (de) | 1978-06-29 |
DE1236816B (de) | 1967-03-16 |
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