Projection lens
F/3,0 F=50,000 mm (20,0°)
[ f/3,0 f=60,237 mm (20,0°) ]
Projection lens
F/3,0 F=50,000 mm (20,0°)
[ f/3,0 f=60,237 mm (20,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
35,120 | 1,51020 |
63,6 |
4,500 |
2 |
-31,600 | 1,62020 |
36 |
1,500 |
3 |
-726,000 | air |
***** |
50,000 |
4 |
30,120 | 1,51020 |
63,6 |
7,500 |
5 |
-17,910 | 1,62020 |
36 |
1,500 |
6 |
-478,350 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 432
| |||
| Commentaire : US 1 610 514 c | ||||
| Inventeur : Christopher Graf | Maison : | Date : 1926 | 2/2 | |