JPS6232762B2 - - Google Patents
Info
- Publication number
- JPS6232762B2 JPS6232762B2 JP53114574A JP11457478A JPS6232762B2 JP S6232762 B2 JPS6232762 B2 JP S6232762B2 JP 53114574 A JP53114574 A JP 53114574A JP 11457478 A JP11457478 A JP 11457478A JP S6232762 B2 JPS6232762 B2 JP S6232762B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group
- focal length
- lenses
- condition
- 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
- 230000005499 meniscus Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000004075 alteration Effects 0.000 description 33
- 206010010071 Coma Diseases 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000012937 correction Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11457478A JPS5541434A (en) | 1978-09-20 | 1978-09-20 | Retrofocus type wide angle lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11457478A JPS5541434A (en) | 1978-09-20 | 1978-09-20 | Retrofocus type wide angle lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5541434A JPS5541434A (en) | 1980-03-24 |
| JPS6232762B2 true JPS6232762B2 (US20070149660A1-20070628-C00105.png) | 1987-07-16 |
Family
ID=14641235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11457478A Granted JPS5541434A (en) | 1978-09-20 | 1978-09-20 | Retrofocus type wide angle lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5541434A (US20070149660A1-20070628-C00105.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE54495T1 (de) * | 1981-05-25 | 1990-07-15 | Nocopi Int Inc | Verfahren zum herstellen von fotokopiersicheren dokumenten, sowie fotokopierresistentes papier. |
| JPS5862610A (ja) * | 1981-10-09 | 1983-04-14 | Asahi Optical Co Ltd | 広角写真レンズ |
| US4682863A (en) * | 1985-08-26 | 1987-07-28 | Minnesota Mining And Manufacturing Company | Ultra-wide angle micrographic lens |
| WO2012127550A1 (ja) * | 2011-03-22 | 2012-09-27 | パナソニック株式会社 | プラスチックレンズ、その製造方法及びそれを用いた撮像装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495329A (US20070149660A1-20070628-C00105.png) * | 1972-05-01 | 1974-01-18 | ||
| JPS4917724A (US20070149660A1-20070628-C00105.png) * | 1972-06-07 | 1974-02-16 |
-
1978
- 1978-09-20 JP JP11457478A patent/JPS5541434A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495329A (US20070149660A1-20070628-C00105.png) * | 1972-05-01 | 1974-01-18 | ||
| JPS4917724A (US20070149660A1-20070628-C00105.png) * | 1972-06-07 | 1974-02-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5541434A (en) | 1980-03-24 |
