JPS4946433A - - Google Patents
Info
- Publication number
- JPS4946433A JPS4946433A JP47089313A JP8931372A JPS4946433A JP S4946433 A JPS4946433 A JP S4946433A JP 47089313 A JP47089313 A JP 47089313A JP 8931372 A JP8931372 A JP 8931372A JP S4946433 A JPS4946433 A JP S4946433A
- 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.)
- Granted
Links
Landscapes
- Lenses (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47089313A JPS5225253B2 (en:Method) | 1972-09-06 | 1972-09-06 | |
| US357267A US3884556A (en) | 1972-05-10 | 1973-05-04 | Retrofocus wide-angle lens system |
| DE2323440A DE2323440C2 (de) | 1972-05-10 | 1973-05-09 | Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47089313A JPS5225253B2 (en:Method) | 1972-09-06 | 1972-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4946433A true JPS4946433A (en:Method) | 1974-05-04 |
| JPS5225253B2 JPS5225253B2 (en:Method) | 1977-07-06 |
Family
ID=13967164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47089313A Expired JPS5225253B2 (en:Method) | 1972-05-10 | 1972-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5225253B2 (en:Method) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5177328A (en:Method) * | 1974-12-27 | 1976-07-05 | Asahi Optical Co Ltd | |
| JPS51142317A (en) * | 1975-05-22 | 1976-12-07 | Asahi Optical Co Ltd | Compact wide angle lens of retrofocus type |
| JPS57156087U (en:Method) * | 1981-03-27 | 1982-09-30 | ||
| JPS63249125A (ja) * | 1987-04-03 | 1988-10-17 | Citizen Watch Co Ltd | 可変焦点光学系 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355589U (en:Method) * | 1986-09-30 | 1988-04-14 |
-
1972
- 1972-09-06 JP JP47089313A patent/JPS5225253B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5177328A (en:Method) * | 1974-12-27 | 1976-07-05 | Asahi Optical Co Ltd | |
| JPS51142317A (en) * | 1975-05-22 | 1976-12-07 | Asahi Optical Co Ltd | Compact wide angle lens of retrofocus type |
| JPS57156087U (en:Method) * | 1981-03-27 | 1982-09-30 | ||
| JPS63249125A (ja) * | 1987-04-03 | 1988-10-17 | Citizen Watch Co Ltd | 可変焦点光学系 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5225253B2 (en:Method) | 1977-07-06 |