JPS5040144A - - Google Patents
Info
- Publication number
- JPS5040144A JPS5040144A JP48092113A JP9211373A JPS5040144A JP S5040144 A JPS5040144 A JP S5040144A JP 48092113 A JP48092113 A JP 48092113A JP 9211373 A JP9211373 A JP 9211373A JP S5040144 A JPS5040144 A JP S5040144A
- Authority
- JP
- Japan
- 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.)
- Pending
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48092113A JPS5040144A (en, 2012) | 1973-08-17 | 1973-08-17 | |
| GB214374A GB1432072A (en) | 1973-08-17 | 1974-01-17 | Zoom lens systems cyclohexene carboxyaldehyde derivative and its use in |
| CA190,623A CA990987A (en) | 1973-08-17 | 1974-01-18 | Zoom lens system |
| DE2412847A DE2412847C2 (de) | 1973-08-17 | 1974-03-18 | Varioobjektiv |
| FR7409739A FR2241084B1 (en, 2012) | 1973-08-17 | 1974-03-21 | |
| US05/595,885 US3961845A (en) | 1973-08-17 | 1975-07-14 | Zoom lens system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48092113A JPS5040144A (en, 2012) | 1973-08-17 | 1973-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5040144A true JPS5040144A (en, 2012) | 1975-04-12 |
Family
ID=14045360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48092113A Pending JPS5040144A (en, 2012) | 1973-08-17 | 1973-08-17 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5040144A (en, 2012) |
| CA (1) | CA990987A (en, 2012) |
| DE (1) | DE2412847C2 (en, 2012) |
| FR (1) | FR2241084B1 (en, 2012) |
| GB (1) | GB1432072A (en, 2012) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5237445A (en) * | 1975-09-20 | 1977-03-23 | Minolta Camera Co Ltd | Lens system rendering variable characteristics of an image plane |
| JPS52128152A (en) * | 1976-04-20 | 1977-10-27 | Olympus Optical Co Ltd | Highly variable multiplying zoom lens |
| JPS52128153A (en) * | 1976-04-20 | 1977-10-27 | Olympus Optical Co Ltd | Highly variable multiplying zoom lens which instals correction gap of short range image-pickup capacity |
| JPS53149045A (en) * | 1977-05-31 | 1978-12-26 | Fuji Photo Optical Co Ltd | Zoom lens |
| JPS548172U (en, 2012) * | 1977-06-20 | 1979-01-19 | ||
| JPS5595921A (en) * | 1979-01-12 | 1980-07-21 | Zeiss Stiftung | Photograph lens with continuously variable focal distance |
| JPS57135912A (en) * | 1981-02-16 | 1982-08-21 | Asahi Optical Co Ltd | Zoom lens |
| JPS58127909A (ja) * | 1982-01-26 | 1983-07-30 | Canon Inc | ズ−ムレンズ |
| JPS60208723A (ja) * | 1984-04-02 | 1985-10-21 | Canon Inc | 大口径高変倍のズ−ムレンズ |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3088112B2 (ja) * | 1990-10-12 | 2000-09-18 | 旭光学工業株式会社 | ズームレンズ |
Family Cites Families (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 |
| CH482207A (fr) * | 1967-01-16 | 1969-11-30 | Rank Organisation Ltd | Objectif à distance focale variable |
-
1973
- 1973-08-17 JP JP48092113A patent/JPS5040144A/ja active Pending
-
1974
- 1974-01-17 GB GB214374A patent/GB1432072A/en not_active Expired
- 1974-01-18 CA CA190,623A patent/CA990987A/en not_active Expired
- 1974-03-18 DE DE2412847A patent/DE2412847C2/de not_active Expired
- 1974-03-21 FR FR7409739A patent/FR2241084B1/fr not_active Expired
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5237445A (en) * | 1975-09-20 | 1977-03-23 | Minolta Camera Co Ltd | Lens system rendering variable characteristics of an image plane |
| JPS52128152A (en) * | 1976-04-20 | 1977-10-27 | Olympus Optical Co Ltd | Highly variable multiplying zoom lens |
| JPS52128153A (en) * | 1976-04-20 | 1977-10-27 | Olympus Optical Co Ltd | Highly variable multiplying zoom lens which instals correction gap of short range image-pickup capacity |
| JPS53149045A (en) * | 1977-05-31 | 1978-12-26 | Fuji Photo Optical Co Ltd | Zoom lens |
| JPS548172U (en, 2012) * | 1977-06-20 | 1979-01-19 | ||
| JPS5595921A (en) * | 1979-01-12 | 1980-07-21 | Zeiss Stiftung | Photograph lens with continuously variable focal distance |
| JPS57135912A (en) * | 1981-02-16 | 1982-08-21 | Asahi Optical Co Ltd | Zoom lens |
| JPS58127909A (ja) * | 1982-01-26 | 1983-07-30 | Canon Inc | ズ−ムレンズ |
| JPS60208723A (ja) * | 1984-04-02 | 1985-10-21 | Canon Inc | 大口径高変倍のズ−ムレンズ |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1432072A (en) | 1976-04-14 |
| CA990987A (en) | 1976-06-15 |
| FR2241084B1 (en, 2012) | 1976-06-25 |
| DE2412847A1 (de) | 1975-02-27 |
| FR2241084A1 (en, 2012) | 1975-03-14 |
| DE2412847C2 (de) | 1983-12-08 |