Ernostar
F/2,0 F=100,000 mm (45,0°)
[ f/2,0 f=99,563 mm (45,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
46,900 | 1,56070 |
61 |
6,800 |
2 |
171,250 | air |
***** |
0,500 |
3 |
41,000 | 1,58910 |
61,2 |
9,000 |
4 |
104,600 | air |
***** |
9,300 |
5 |
-164,000 | 1,60680 |
59,5 |
2,000 |
6 |
-80,000 | 1,62270 |
32,2 |
4,500 |
7 |
-34,000 | 1,65020 |
35,7 |
1,500 |
8 |
28,500 | air |
***** |
11,700 |
9 |
75,000 | 1,62178 |
53,1 |
7,000 |
10 |
-87,290 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 8 | Calcul n° 668
| |||
Commentaire : DE 0 436 260 III | ||||
Inventeur : Bertele | Maison : Ernemann | Date : 1926 | 113/1 |