DE167224C - - Google Patents
Info
- Publication number
- DE167224C DE167224C DENDAT167224D DE167224DA DE167224C DE 167224 C DE167224 C DE 167224C DE NDAT167224 D DENDAT167224 D DE NDAT167224D DE 167224D A DE167224D A DE 167224DA DE 167224 C DE167224 C DE 167224C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- diaphragm
- astigmatism
- curvature
- chromatically
- 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
- 201000009310 astigmatism Diseases 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000005331 crown glasses (windows) Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000005308 flint glass Substances 0.000 description 1
- 210000003194 forelimb Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001228 spectrum Methods 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)
- Structure And Mechanism Of Cameras (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE167224C true DE167224C (enrdf_load_html_response) |
Family
ID=432554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT167224D Active DE167224C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE167224C (enrdf_load_html_response) |
-
0
- DE DENDAT167224D patent/DE167224C/de active Active
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