DE118466C - - Google Patents
Info
- Publication number
- DE118466C DE118466C DENDAT118466D DE118466DA DE118466C DE 118466 C DE118466 C DE 118466C DE NDAT118466 D DENDAT118466 D DE NDAT118466D DE 118466D A DE118466D A DE 118466DA DE 118466 C DE118466 C DE 118466C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- glass
- refractive index
- types
- 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.)
- Active
Links
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003313 weakening 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 -
- G02B9/02—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having one + component only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE118466C true DE118466C (https=) |
Family
ID=387661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT118466D Active DE118466C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE118466C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116359A (en) * | 1959-03-07 | 1963-12-31 | Isco Optische Werke Gmbh | Front attachment for optical objectives |
-
0
- DE DENDAT118466D patent/DE118466C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3116359A (en) * | 1959-03-07 | 1963-12-31 | Isco Optische Werke Gmbh | Front attachment for optical objectives |
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