DE92313C - - Google Patents
Info
- Publication number
- DE92313C DE92313C DENDAT92313D DE92313DA DE92313C DE 92313 C DE92313 C DE 92313C DE NDAT92313 D DENDAT92313 D DE NDAT92313D DE 92313D A DE92313D A DE 92313DA DE 92313 C DE92313 C DE 92313C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- glass
- dispersion
- lenses
- anastigmatic
- 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 23
- 239000006185 dispersion Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims 1
- 238000012937 correction Methods 0.000 description 10
- 239000005308 flint glass Substances 0.000 description 5
- 230000004075 alteration Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000005331 crown glasses (windows) Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002895 hyperchromatic effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 239000005304 optical glass 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 |
|---|---|
| DE92313C true DE92313C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=363850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT92313D Active DE92313C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE92313C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969778C (de) * | 1950-01-13 | 1958-08-28 | Voigtlaender A G | Sphaerisch, chromatisch, astigmatisch und komatisch korrigiertes Objektiv |
-
0
- DE DENDAT92313D patent/DE92313C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969778C (de) * | 1950-01-13 | 1958-08-28 | Voigtlaender A G | Sphaerisch, chromatisch, astigmatisch und komatisch korrigiertes Objektiv |
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