Ernostar
F/2,0 F=100,000 mm (30,0°)
[ f/2,0 f=99,962 mm (30,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
47,980 | 1,61020 |
59,6 |
13,330 |
2 |
-70,370 | 1,67280 |
32,1 |
1,670 |
3 |
Dpt. plan | air |
***** |
0,500 |
4 |
40,820 | 1,60430 |
50,5 |
13,330 |
5 |
-38,330 | 1,59330 |
61,4 |
1,500 |
6 |
75,280 | air |
***** |
6,150 |
7 |
-199,620 | 1,67280 |
32,1 |
1,000 |
8 |
23,950 | air |
***** |
28,250 |
9 |
68,780 | 1,62250 |
53,6 |
8,330 |
10 |
-90,750 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 6 | Calcul n° 597
| |||
Commentaire : AT 0 094 099 | ||||
Inventeur : _/_ | Maison : Ernemann Werke | Date : 1923 | 22/11 |