DD106718A5 - - Google Patents
Info
- Publication number
- DD106718A5 DD106718A5 DD173075A DD17307573A DD106718A5 DD 106718 A5 DD106718 A5 DD 106718A5 DD 173075 A DD173075 A DD 173075A DD 17307573 A DD17307573 A DD 17307573A DD 106718 A5 DD106718 A5 DD 106718A5
- Authority
- DD
- German Democratic Republic
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
- G02B15/1461—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722245105 DE2245105C3 (de) | 1972-09-14 | Vario-Objektiv mit extrem großem Brennweitenbereich und hoher relativer öffnung |
Publications (1)
Publication Number | Publication Date |
---|---|
DD106718A5 true DD106718A5 (ja) | 1974-06-20 |
Family
ID=5856331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD173075A DD106718A5 (ja) | 1972-09-14 | 1973-08-24 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3912373A (ja) |
JP (2) | JPS4966354A (ja) |
DD (1) | DD106718A5 (ja) |
FR (1) | FR2200537B1 (ja) |
GB (1) | GB1437620A (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS524461B2 (ja) * | 1973-03-23 | 1977-02-04 | ||
JPS5114034A (ja) * | 1974-07-24 | 1976-02-04 | Canon Kk | |
US4080047A (en) * | 1975-04-03 | 1978-03-21 | Minolta Camera Kabushiki Kaisha | Lens system capable of wide range zooming and macrophotography |
US4258935A (en) * | 1977-08-17 | 1981-03-31 | Johns-Manville Corporation | Bell end of a bell and spigot joint |
CH628742A5 (de) * | 1978-01-27 | 1982-03-15 | Bolex Int Sa | Varioobjektiv. |
USRE32923E (en) * | 1980-01-31 | 1989-05-16 | Vivitar Corporation | Zoom lens |
US5847882A (en) * | 1994-06-23 | 1998-12-08 | Canon Kabushiki Kaisha | Rear focusing zoom lens |
JP3723643B2 (ja) * | 1996-08-12 | 2005-12-07 | ペンタックス株式会社 | 高変倍ズームレンズ系 |
JP5159398B2 (ja) * | 2008-04-07 | 2013-03-06 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
JP2016109952A (ja) | 2014-12-09 | 2016-06-20 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
CN113820840A (zh) | 2020-06-19 | 2021-12-21 | 富士胶片株式会社 | 变倍光学系统及摄像装置 |
JP7314200B2 (ja) * | 2020-06-19 | 2023-07-25 | 富士フイルム株式会社 | 変倍光学系および撮像装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3152211A (en) * | 1961-05-01 | 1964-10-06 | Bell & Howell Co | Wide angle lens attachment |
US3346320A (en) * | 1963-07-17 | 1967-10-10 | Schneider Co Optische Werke | High-speed varifocal objective |
JPS402871Y1 (ja) * | 1964-09-24 | 1965-01-27 | ||
FR1571069A (ja) * | 1967-06-30 | 1969-06-13 |
-
1973
- 1973-08-24 DD DD173075A patent/DD106718A5/xx unknown
- 1973-08-29 GB GB4062973A patent/GB1437620A/en not_active Expired
- 1973-09-12 FR FR7332767A patent/FR2200537B1/fr not_active Expired
- 1973-09-12 US US396427A patent/US3912373A/en not_active Expired - Lifetime
- 1973-09-14 JP JP48104464A patent/JPS4966354A/ja active Pending
-
1977
- 1977-10-03 JP JP1977133093U patent/JPS5349441U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2200537B1 (ja) | 1977-09-23 |
JPS4966354A (ja) | 1974-06-27 |
DE2245105B2 (de) | 1976-10-07 |
DE2245105A1 (de) | 1974-03-28 |
US3912373A (en) | 1975-10-14 |
FR2200537A1 (ja) | 1974-04-19 |
GB1437620A (en) | 1976-06-03 |
JPS5349441U (ja) | 1978-04-26 |