Ernostar
F/2,0 F=100,000 mm (30,0°)
[ f/2,0 f=99,985 mm (30,0°) ]
Ernostar
F/2,0 F=100,000 mm (30,0°)
[ f/2,0 f=99,985 mm (30,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
46,670 | 1,54670 |
***** |
10,000 |
2 |
Dpt. plan | air |
***** |
0,000 |
3 |
48,330 | 1,59040 |
***** |
10,000 |
4 |
-125,000 | 1,67250 |
***** |
1,670 |
5 |
204,530 | air |
***** |
8,360 |
6 |
-125,000 | 1,63150 |
***** |
6,670 |
7 |
-21,670 | 1,62350 |
***** |
1,670 |
8 |
23,950 | air |
***** |
28,250 |
9 |
67,300 | 1,62250 |
***** |
7,500 |
10 |
-94,750 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 5 | Calcul n° 108
| |||
| Commentaire : GB 193 176 | ||||
| Inventeur : L. Bertele | Maison : Ernemann | Date : 1922 | 12/21 | |