Photographic objective
F/18,0 F=100,000 mm (90,0°)
[ f/18,0 f=99,818 mm (90,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
19,280 | 1,51282 |
57,4 |
1,200 |
2 |
9,380 | 1,57973 |
54,2 |
5,600 |
3 |
12,510 | air |
***** |
11,800 |
4 |
-31,270 | 1,51680 |
61 |
3,400 |
5 |
-8,340 | 1,56490 |
42,9 |
1,000 |
6 |
-15,110 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 37
| |||
Commentaire : US 444.714 IV (revendique 110º) | ||||
Inventeur : P. Rudolph | Maison : Zeiss | Date : 1891 | 2/2 |