JPS5978315A - 写真用広角レンズ - Google Patents
写真用広角レンズInfo
- Publication number
- JPS5978315A JPS5978315A JP18818182A JP18818182A JPS5978315A JP S5978315 A JPS5978315 A JP S5978315A JP 18818182 A JP18818182 A JP 18818182A JP 18818182 A JP18818182 A JP 18818182A JP S5978315 A JPS5978315 A JP S5978315A
- Authority
- JP
- Japan
- Prior art keywords
- group
- lens
- focusing
- movable
- spherical aberration
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 17
- 230000005499 meniscus Effects 0.000 abstract description 5
- 230000004075 alteration Effects 0.000 description 33
- 238000010586 diagram Methods 0.000 description 5
- 201000009310 astigmatism Diseases 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18818182A JPS5978315A (ja) | 1982-10-28 | 1982-10-28 | 写真用広角レンズ |
US06/501,787 US4576448A (en) | 1982-06-16 | 1983-06-07 | Photographic lens system for compact cameras |
DE3320921A DE3320921C2 (de) | 1982-06-16 | 1983-06-09 | Fotografisches Objektiv für Kompaktkameras |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18818182A JPS5978315A (ja) | 1982-10-28 | 1982-10-28 | 写真用広角レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5978315A true JPS5978315A (ja) | 1984-05-07 |
JPH0559407B2 JPH0559407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-08-31 |
Family
ID=16219180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18818182A Granted JPS5978315A (ja) | 1982-06-16 | 1982-10-28 | 写真用広角レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5978315A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6190117A (ja) * | 1984-10-09 | 1986-05-08 | Fuji Photo Film Co Ltd | 全長の短い広角写真レンズ |
JPS62125312A (ja) * | 1985-11-27 | 1987-06-06 | Olympus Optical Co Ltd | 写真レンズ |
JPS6364015A (ja) * | 1986-09-05 | 1988-03-22 | Konica Corp | プロジエクタ−用投影レンズ |
JPS63148220A (ja) * | 1986-12-12 | 1988-06-21 | Konica Corp | プロジエクタ−用投影レンズ |
US4787721A (en) * | 1984-08-18 | 1988-11-29 | Minolta Camera Kabushiki Kaisha | Photographic lens system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4181738B2 (ja) | 2000-08-25 | 2008-11-19 | 信越化学工業株式会社 | 腸溶性コーティング製剤の製造方法 |
-
1982
- 1982-10-28 JP JP18818182A patent/JPS5978315A/ja active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787721A (en) * | 1984-08-18 | 1988-11-29 | Minolta Camera Kabushiki Kaisha | Photographic lens system |
JPS6190117A (ja) * | 1984-10-09 | 1986-05-08 | Fuji Photo Film Co Ltd | 全長の短い広角写真レンズ |
JPS62125312A (ja) * | 1985-11-27 | 1987-06-06 | Olympus Optical Co Ltd | 写真レンズ |
JPS6364015A (ja) * | 1986-09-05 | 1988-03-22 | Konica Corp | プロジエクタ−用投影レンズ |
JPS63148220A (ja) * | 1986-12-12 | 1988-06-21 | Konica Corp | プロジエクタ−用投影レンズ |
Also Published As
Publication number | Publication date |
---|---|
JPH0559407B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-08-31 |