Ernostar
F/2,0 F=100,000 mm (40,0°)
[ f/2,0 f=99,967 mm (40,0°) ]
Ernostar
F/2,0 F=100,000 mm (40,0°)
[ f/2,0 f=99,967 mm (40,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
52,140 | 1,61170 |
59,3 |
14,740 |
2 |
-129,220 | 1,67280 |
32,1 |
1,810 |
3 |
243,140 | air |
***** |
0,560 |
4 |
52,030 | 1,60602 |
49,5 |
17,570 |
5 |
-44,550 | 1,58928 |
62 |
1,700 |
6 |
100,610 | air |
***** |
4,810 |
7 |
-93,510 | 1,67280 |
32,1 |
0,910 |
8 |
30,610 | air |
***** |
11,340 |
9 |
68,580 | 1,52410 |
53,7 |
10,710 |
10 |
-43,910 | air |
***** |
o3o-3k4g |
no dioptre diaphragme : 8 | Calcul n° 808
| |||
| Commentaire : DE 0 435 762 | ||||
| Inventeur : L. Bertele | Maison : Ernemann | Date : 1926 | 221/1 | |