DE270274C - - Google Patents
Info
- Publication number
- DE270274C DE270274C DENDAT270274D DE270274DA DE270274C DE 270274 C DE270274 C DE 270274C DE NDAT270274 D DENDAT270274 D DE NDAT270274D DE 270274D A DE270274D A DE 270274DA DE 270274 C DE270274 C DE 270274C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- eye
- glass
- field
- refraction
- 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
- 239000004568 cement Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 4
- 241000031711 Cytophagaceae Species 0.000 description 1
- 239000005331 crown glasses (windows) Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000005308 flint glass Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE270274C true DE270274C (enrdf_load_stackoverflow) |
Family
ID=527038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT270274D Active DE270274C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE270274C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2603128A (en) * | 1951-07-10 | 1952-07-15 | Chicago Aerial Survey Company | Optical system for objectives and eyepieces |
| US2837969A (en) * | 1956-10-15 | 1958-06-10 | American Optical Corp | Telescope and microscope eyepiece system |
-
0
- DE DENDAT270274D patent/DE270274C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2603128A (en) * | 1951-07-10 | 1952-07-15 | Chicago Aerial Survey Company | Optical system for objectives and eyepieces |
| US2837969A (en) * | 1956-10-15 | 1958-06-10 | American Optical Corp | Telescope and microscope eyepiece system |
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