Ernostar
F/2,0 F=100,000 mm (30,0°)
[ f/2,0 f=104,865 mm (30,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
53,000 | 1,60860 |
40,2 |
2,000 |
2 |
39,500 | air |
***** |
0,800 |
3 |
38,100 | 1,60860 |
59,4 |
13,000 |
4 |
Dpt. plan | air |
***** |
0,500 |
5 |
40,000 | 1,60860 |
59,4 |
8,000 |
6 |
55,620 | air |
***** |
7,230 |
7 |
-160,000 | 1,64730 |
33,8 |
1,500 |
8 |
30,500 | air |
***** |
23,000 |
9 |
94,000 | 1,60860 |
59,4 |
10,000 |
10 |
-79,700 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 8 | Calcul n° 117
| |||
Commentaire : DE 428 657 I | ||||
Inventeur : Bertele | Maison : Ernemann | Date : 1925 | 1111/1 |