DE124934C - - Google Patents
Info
- Publication number
- DE124934C DE124934C DENDAT124934D DE124934DA DE124934C DE 124934 C DE124934 C DE 124934C DE NDAT124934 D DENDAT124934 D DE NDAT124934D DE 124934D A DE124934D A DE 124934DA DE 124934 C DE124934 C DE 124934C
- Authority
- DE
- Germany
- Prior art keywords
- lenses
- glass
- lens
- refraction
- systems
- 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 9
- 239000006185 dispersion Substances 0.000 claims description 7
- 239000005308 flint glass Substances 0.000 claims description 6
- 239000005331 crown glasses (windows) Substances 0.000 claims description 5
- 241000219739 Lens Species 0.000 description 22
- 230000004075 alteration Effects 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 2
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003287 optical 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE124934C true DE124934C (cg-RX-API-DMAC10.html) |
Family
ID=393688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT124934D Active DE124934C (cg-RX-API-DMAC10.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE124934C (cg-RX-API-DMAC10.html) |
-
0
- DE DENDAT124934D patent/DE124934C/de active Active
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