FR1167796A - Système optique à distance focale variable de façon continue - Google Patents
Système optique à distance focale variable de façon continueInfo
- Publication number
- FR1167796A FR1167796A FR1167796DA FR1167796A FR 1167796 A FR1167796 A FR 1167796A FR 1167796D A FR1167796D A FR 1167796DA FR 1167796 A FR1167796 A FR 1167796A
- Authority
- FR
- France
- Prior art keywords
- optical system
- focal length
- continuously variable
- variable focal
- length optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G02B15/142—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
- G02B15/1421—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 the first group being positive
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL810152X | 1955-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1167796A true FR1167796A (fr) | 1958-11-28 |
Family
ID=19837239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1167796D Expired FR1167796A (fr) | 1955-11-16 | 1956-11-15 | Système optique à distance focale variable de façon continue |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1108457B (fr) |
FR (1) | FR1167796A (fr) |
GB (1) | GB810152A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1104211B (de) * | 1959-04-22 | 1961-04-06 | Schneider Co Optische Werke | Einrichtung an photographischen, kinematographischen, Vergroesserungs-, Reproduktions- oder Fernseh-Objektiven mit axial beweglichen optischen Gliedern |
DE1136131B (de) * | 1960-06-18 | 1962-09-06 | Elbe Kamera Gmbh | Objektiv mit veraenderlicher Brennweite |
US3062102A (en) * | 1959-11-25 | 1962-11-06 | Eastman Kodak Co | Mechanism for operation of zoom lens |
US3090282A (en) * | 1959-01-28 | 1963-05-21 | Angenieux Pierre | Mechanism for controlling the axial displacements of optical elements |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1103046B (de) * | 1959-11-06 | 1961-03-23 | Schneider Co Optische Werke | Vario Objektiv, vorzugsweise Vario-Vorsatzsystem |
US3591256A (en) * | 1968-04-15 | 1971-07-06 | Xerox Corp | Variable magnification lens system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE650907C (de) * | 1934-08-28 | 1937-10-05 | Hugh Iwan Gramatzki | Optisches System |
-
1956
- 1956-11-13 DE DEN12951A patent/DE1108457B/de active Pending
- 1956-11-15 FR FR1167796D patent/FR1167796A/fr not_active Expired
- 1956-11-16 GB GB35165/56A patent/GB810152A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3090282A (en) * | 1959-01-28 | 1963-05-21 | Angenieux Pierre | Mechanism for controlling the axial displacements of optical elements |
DE1104211B (de) * | 1959-04-22 | 1961-04-06 | Schneider Co Optische Werke | Einrichtung an photographischen, kinematographischen, Vergroesserungs-, Reproduktions- oder Fernseh-Objektiven mit axial beweglichen optischen Gliedern |
US3062102A (en) * | 1959-11-25 | 1962-11-06 | Eastman Kodak Co | Mechanism for operation of zoom lens |
DE1136131B (de) * | 1960-06-18 | 1962-09-06 | Elbe Kamera Gmbh | Objektiv mit veraenderlicher Brennweite |
Also Published As
Publication number | Publication date |
---|---|
GB810152A (en) | 1959-03-11 |
DE1108457B (de) | 1961-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1111221A (fr) | Appareil de projection optique | |
FR67970E (fr) | Objectif à longueur focale variable | |
CH326225A (fr) | Dispositif optique à distance focale variable | |
FR1112979A (fr) | Objectif à distance focale variable | |
FR1060514A (fr) | Système optique à distance focale variable | |
CH425263A (fr) | Objectif optique à longueur focale variable | |
FR1130371A (fr) | Système optique grand angulaire | |
FR1167796A (fr) | Système optique à distance focale variable de façon continue | |
CH386129A (fr) | Système optique à distance focale variable | |
CH380406A (fr) | Objectif optique à longueur focale variable | |
FR1336300A (fr) | Système optique à distance focale variable | |
FR1081948A (fr) | Nouveau dispositif optique à distance focale variable | |
FR1150483A (fr) | Système optique à distance focale variable | |
CH363501A (fr) | Objectif optique à longueur focale variable | |
FR1120692A (fr) | Système optique à grossissement variable | |
CH386130A (fr) | Système optique à distance focale variable | |
FR1123471A (fr) | Perfectionnements aux appareils d'optique à distance focale variable | |
CH411383A (fr) | Objectif optique à longueur focale variable | |
FR1080099A (fr) | Objectif très lumineux à distance focale variable | |
FR1322227A (fr) | Système optique à distance focale variable | |
FR1110863A (fr) | Système de lentilles à foyer variable pour un objectif d'optique | |
FR1431831A (fr) | Système optique pour ophtalmomètres à mires fixes | |
FR1159286A (fr) | Système optique | |
FR1115136A (fr) | Système optique ophtalmoscopique | |
FR1112429A (fr) | Lentille optique |