JPS554022A - Expanding method for variable power range and zoom lens system - Google Patents
Expanding method for variable power range and zoom lens systemInfo
- Publication number
- JPS554022A JPS554022A JP7612478A JP7612478A JPS554022A JP S554022 A JPS554022 A JP S554022A JP 7612478 A JP7612478 A JP 7612478A JP 7612478 A JP7612478 A JP 7612478A JP S554022 A JPS554022 A JP S554022A
- Authority
- JP
- Japan
- Prior art keywords
- moving
- iii
- group
- lens group
- latitude
- 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.)
- Pending
Links
Landscapes
- Lens Barrels (AREA)
- Lenses (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7612478A JPS554022A (en) | 1978-06-23 | 1978-06-23 | Expanding method for variable power range and zoom lens system |
US06/049,165 US4256371A (en) | 1978-06-23 | 1979-06-18 | Zoom lens with extended variable focal length range |
DE19792925355 DE2925355A1 (de) | 1978-06-23 | 1979-06-22 | Vario-linsensystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7612478A JPS554022A (en) | 1978-06-23 | 1978-06-23 | Expanding method for variable power range and zoom lens system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS554022A true JPS554022A (en) | 1980-01-12 |
Family
ID=13596165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7612478A Pending JPS554022A (en) | 1978-06-23 | 1978-06-23 | Expanding method for variable power range and zoom lens system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554022A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57112949A (en) * | 1980-11-22 | 1982-07-14 | Shiyon Ii Meipurubetsuku Ltd | Mold |
JPS58116509A (ja) * | 1981-12-29 | 1983-07-11 | Canon Inc | ズ−ムレンズ |
JPS58185923A (ja) * | 1982-04-23 | 1983-10-29 | Mitsubishi Electric Corp | 内燃機関の制御装置 |
US4865434A (en) * | 1984-10-01 | 1989-09-12 | Canon Kabushiki Kaisha | Zoom lens capable of selecting a focal length beyond a standard focal length range |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5016441A (ja) * | 1973-06-11 | 1975-02-21 | ||
JPS5168244A (en) * | 1974-12-10 | 1976-06-12 | Minolta Camera Kk | Shikinkyorisatsueino kanonazuumurenzukei |
JPS5425747A (en) * | 1977-07-28 | 1979-02-26 | Minolta Camera Co Ltd | Zoom lens system |
-
1978
- 1978-06-23 JP JP7612478A patent/JPS554022A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5016441A (ja) * | 1973-06-11 | 1975-02-21 | ||
JPS5168244A (en) * | 1974-12-10 | 1976-06-12 | Minolta Camera Kk | Shikinkyorisatsueino kanonazuumurenzukei |
JPS5425747A (en) * | 1977-07-28 | 1979-02-26 | Minolta Camera Co Ltd | Zoom lens system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57112949A (en) * | 1980-11-22 | 1982-07-14 | Shiyon Ii Meipurubetsuku Ltd | Mold |
JPS6317543B2 (ja) * | 1980-11-22 | 1988-04-14 | Shon Ii Meipurubetsuku Ltd | |
JPS58116509A (ja) * | 1981-12-29 | 1983-07-11 | Canon Inc | ズ−ムレンズ |
JPS58185923A (ja) * | 1982-04-23 | 1983-10-29 | Mitsubishi Electric Corp | 内燃機関の制御装置 |
US4865434A (en) * | 1984-10-01 | 1989-09-12 | Canon Kabushiki Kaisha | Zoom lens capable of selecting a focal length beyond a standard focal length range |
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