AT250050B - Lichtstarkes Varioobjektiv mit mindestens einem auswechselbaren Systemteil - Google Patents
Lichtstarkes Varioobjektiv mit mindestens einem auswechselbaren SystemteilInfo
- Publication number
- AT250050B AT250050B AT993164A AT993164A AT250050B AT 250050 B AT250050 B AT 250050B AT 993164 A AT993164 A AT 993164A AT 993164 A AT993164 A AT 993164A AT 250050 B AT250050 B AT 250050B
- Authority
- AT
- Austria
- Prior art keywords
- bright
- system part
- varifocal lens
- interchangeable system
- interchangeable
- 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
- G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
-
- 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
-
- 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
- G02B15/142—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 two groups only
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B19/00—Cameras
- G03B19/18—Motion-picture cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH34429A DE1264095B (de) | 1964-01-09 | 1964-01-09 | Lichtstarkes Satzobjektiv mit mindestens einem auswechselbaren Systemteil |
Publications (1)
Publication Number | Publication Date |
---|---|
AT250050B true AT250050B (de) | 1966-10-25 |
Family
ID=7433132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT993164A AT250050B (de) | 1964-01-09 | 1964-11-24 | Lichtstarkes Varioobjektiv mit mindestens einem auswechselbaren Systemteil |
Country Status (5)
Country | Link |
---|---|
US (1) | US3363964A (de) |
AT (1) | AT250050B (de) |
CH (1) | CH419647A (de) |
DE (1) | DE1264095B (de) |
GB (1) | GB1030462A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1497590C3 (de) * | 1966-04-05 | 1974-10-17 | Jos. Schneider & Co, Optische Werke, 6550 Bad Kreuznach | Lichtstarkes Objektiv mit veränderbarer Brennweite |
FR1571069A (de) * | 1967-06-30 | 1969-06-13 | ||
US3547521A (en) * | 1967-07-01 | 1970-12-15 | Cosmicar Kogaku Kk | Compact zoom lens and beam spliting system |
US3516735A (en) * | 1968-08-26 | 1970-06-23 | Melpar Inc | Large relative aperture plastic lens system |
US3632188A (en) * | 1968-12-23 | 1972-01-04 | Nippon Kogaku Kk | Five component zoom lens |
US3817599A (en) * | 1973-03-21 | 1974-06-18 | Xerox Corp | Projection lens with add lens elements |
US4466707A (en) * | 1980-03-21 | 1984-08-21 | Canon Kabushiki Kaisha | Variable magnification lens system |
US5229880A (en) * | 1992-03-09 | 1993-07-20 | Hughes Aircraft Company | Three field of view refractive afocal telescope |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB646409A (en) * | 1948-07-02 | 1950-11-22 | Watson W & Sons Ltd | Improvements in or relating to variable magnification optical systems |
DE1074874B (de) * | 1954-02-18 | 1960-02-04 | Long Island N Y Frank Gerard Back Glen Cove (V St A) | Objektiv mit veränderlicher Brennweite |
US3024714A (en) * | 1957-10-03 | 1962-03-13 | Alois Handler Ing | Camera, more particularly, motion picture camera |
US3027805A (en) * | 1958-10-22 | 1962-04-03 | Canon Camera Co | Zoom lens system |
US3000259A (en) * | 1960-03-07 | 1961-09-19 | Revere Camera Co | Variable magnification lens system |
US3030860A (en) * | 1960-03-28 | 1962-04-24 | Bausch & Lomb | Projection optical system |
-
1964
- 1964-01-09 DE DESCH34429A patent/DE1264095B/de active Pending
- 1964-11-24 AT AT993164A patent/AT250050B/de active
- 1964-12-23 US US420650A patent/US3363964A/en not_active Expired - Lifetime
- 1964-12-29 CH CH1685564A patent/CH419647A/de unknown
-
1965
- 1965-01-07 GB GB681/65A patent/GB1030462A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH419647A (de) | 1966-08-31 |
GB1030462A (en) | 1966-05-25 |
US3363964A (en) | 1968-01-16 |
DE1264095B (de) | 1968-03-21 |
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