JPH049282B2 - - Google Patents
Info
- Publication number
- JPH049282B2 JPH049282B2 JP22728282A JP22728282A JPH049282B2 JP H049282 B2 JPH049282 B2 JP H049282B2 JP 22728282 A JP22728282 A JP 22728282A JP 22728282 A JP22728282 A JP 22728282A JP H049282 B2 JPH049282 B2 JP H049282B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group
- positive lens
- positive
- refractive index
- 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 3
- 239000002131 composite material Substances 0.000 claims 2
- 230000004075 alteration Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 230000006866 deterioration Effects 0.000 description 5
- 206010010071 Coma Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000014509 gene expression 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 -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
- G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
- G02B9/18—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22728282A JPS59121014A (ja) | 1982-12-28 | 1982-12-28 | ビハインド絞りを有するテツサ型レンズ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22728282A JPS59121014A (ja) | 1982-12-28 | 1982-12-28 | ビハインド絞りを有するテツサ型レンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59121014A JPS59121014A (ja) | 1984-07-12 |
| JPH049282B2 true JPH049282B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-02-19 |
Family
ID=16858366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22728282A Granted JPS59121014A (ja) | 1982-12-28 | 1982-12-28 | ビハインド絞りを有するテツサ型レンズ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59121014A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4133844A1 (de) * | 1991-10-12 | 1993-04-15 | Leica Camera Gmbh | Fotografisches objektiv vom triplettyp |
| JP2751005B2 (ja) * | 1994-06-15 | 1998-05-18 | 株式会社八木熊 | プラスチック中空標示器 |
| CA2415638A1 (en) | 2000-07-14 | 2002-01-24 | Shell Internationale Research Maatschappij B.V. | A catalyst support, a supported group viii metal catalyst and a precursor thereof, processes for their preparation, and a use of the supported group viii metal catalyst |
-
1982
- 1982-12-28 JP JP22728282A patent/JPS59121014A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59121014A (ja) | 1984-07-12 |