DE125560C - - Google Patents
Info
- Publication number
- DE125560C DE125560C DENDAT125560D DE125560DA DE125560C DE 125560 C DE125560 C DE 125560C DE NDAT125560 D DENDAT125560 D DE NDAT125560D DE 125560D A DE125560D A DE 125560DA DE 125560 C DE125560 C DE 125560C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- lenses
- glass
- refractive index
- photographic
- 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 10
- 239000006185 dispersion Substances 0.000 claims description 6
- 201000009310 astigmatism Diseases 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000011514 reflex Effects 0.000 claims description 3
- 241000219739 Lens Species 0.000 description 34
- 238000012937 correction Methods 0.000 description 6
- 239000005331 crown glasses (windows) Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 239000004568 cement Substances 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
- 239000005308 flint glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE125560C true DE125560C (enrdf_load_stackoverflow) |
Family
ID=394277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT125560D Active DE125560C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE125560C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT125560D patent/DE125560C/de active Active
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