Ernostar
F/2,0 F=99,990 mm (30,0°)
[ f/2,0 f=99,574 mm (30,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
42,190 | 1,57260 |
57,9 |
9,000 |
2 |
Dpt. plan | air |
***** |
0,000 |
3 |
34,480 | 1,57260 |
57,9 |
4,000 |
4 |
54,950 | air |
***** |
13,560 |
5 |
-200,000 | 1,57740 |
41,3 |
3,000 |
6 |
22,990 | air |
***** |
25,000 |
7 |
54,950 | 1,62230 |
53,5 |
5,000 |
8 |
-500,000 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 4 | Calcul n° 596
| |||
Commentaire : AT 0 094 098 | ||||
Inventeur : _/_ | Maison : Ernemann Werke | Date : 1924 | 11/11 |