CH433802A - Lichtstarkes Vario-Objektiv - Google Patents
Lichtstarkes Vario-ObjektivInfo
- Publication number
- CH433802A CH433802A CH1328864A CH1328864A CH433802A CH 433802 A CH433802 A CH 433802A CH 1328864 A CH1328864 A CH 1328864A CH 1328864 A CH1328864 A CH 1328864A CH 433802 A CH433802 A CH 433802A
- Authority
- CH
- Switzerland
- Prior art keywords
- powerful
- varifocal lens
- varifocal
- lens
- powerful varifocal
- 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
- G02B15/145—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)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DESCH34003A DE1264094B (de) | 1963-10-16 | 1963-10-16 | Lichtstarkes Vario-Objektiv |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH433802A true CH433802A (de) | 1967-04-15 |
Family
ID=7432993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1328864A CH433802A (de) | 1963-10-16 | 1964-10-13 | Lichtstarkes Vario-Objektiv |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3350155A (de) |
| AT (1) | AT250049B (de) |
| CH (1) | CH433802A (de) |
| DE (1) | DE1264094B (de) |
| GB (1) | GB1060266A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1472230A1 (de) * | 1965-07-08 | 1969-01-16 | Schneider Co Optische Werke | Fotografisches Aufnahmeobjektiv mit veraenderbarer Brennweite |
| FR1520489A (fr) * | 1967-01-25 | 1968-04-12 | Optique Prec Soc D | Objectif à distance focale variable |
| DE2032573A1 (de) * | 1970-07-01 | 1972-01-05 | Jos. Schneider & Co, Optische Werke, 6550 Bad Kreuznach | Lichtstarkes Objektiv mit veränderbarer Brennweite |
| US3773402A (en) * | 1970-09-15 | 1973-11-20 | Vockenhuber Karl | Pancratic lens |
| AT329898B (de) * | 1973-01-03 | 1976-06-10 | Eumig | Pankratisches objektiv |
| US4113356A (en) * | 1976-04-20 | 1978-09-12 | Olympus Optical Co., Ltd. | Zoom lens system with high zooming ratio |
Family Cites Families (3)
| 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 |
| US3027805A (en) * | 1958-10-22 | 1962-04-03 | Canon Camera Co | Zoom lens system |
| DE1109397B (de) * | 1959-04-20 | 1961-06-22 | Dresden Feinmess | Lichtstarkes Objektiv veraenderlicher Brennweite mit einem mindest 6-fachen Variationsbereich |
-
1963
- 1963-10-16 DE DESCH34003A patent/DE1264094B/de active Pending
-
1964
- 1964-09-16 AT AT794264A patent/AT250049B/de active
- 1964-10-02 US US401128A patent/US3350155A/en not_active Expired - Lifetime
- 1964-10-13 CH CH1328864A patent/CH433802A/de unknown
- 1964-10-16 GB GB42243/64A patent/GB1060266A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1060266A (en) | 1967-03-01 |
| US3350155A (en) | 1967-10-31 |
| DE1264094B (de) | 1968-03-21 |
| AT250049B (de) | 1966-10-25 |
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