DE83277C - - Google Patents
Info
- Publication number
- DE83277C DE83277C DENDAT83277D DE83277DA DE83277C DE 83277 C DE83277 C DE 83277C DE NDAT83277 D DENDAT83277 D DE NDAT83277D DE 83277D A DE83277D A DE 83277DA DE 83277 C DE83277 C DE 83277C
- Authority
- DE
- Germany
- Prior art keywords
- component
- glass
- types
- lens system
- refractive power
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 claims description 13
- 230000004075 alteration Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 239000005331 crown glasses (windows) Substances 0.000 description 2
- 239000005308 flint glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000203 mixture Substances 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 -
- G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE83277C true DE83277C (enrdf_load_stackoverflow) |
Family
ID=355605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT83277D Active DE83277C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE83277C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2437505A (en) * | 1945-06-15 | 1948-03-09 | Taylor Taylor & Hobson Ltd | Optical objective |
-
0
- DE DENDAT83277D patent/DE83277C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2437505A (en) * | 1945-06-15 | 1948-03-09 | Taylor Taylor & Hobson Ltd | Optical objective |
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