_/_
F/2,5 F=100,000 mm (50,0°)
[ f/3,3 f=82,681 mm (50,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
26,250 | 1,57457 |
***** |
0,700 |
2 |
18,200 | 1,50210 |
***** |
2,800 |
3 |
37,000 | 1,61769 |
***** |
3,700 |
4 |
350,000 | air |
***** |
7,300 |
5 |
-45,300 | 1,58389 |
***** |
0,600 |
6 |
27,000 | air |
***** |
6,100 |
7 |
74,000 | 1,63036 |
***** |
1,200 |
8 |
49,500 | 1,61805 |
***** |
7,800 |
9 |
-40,000 | air |
***** |
o3o-4k4j |
no dioptre diaphragme : 4 | Calcul n° 1038
| |||
Commentaire : FR 0 518 819 | ||||
Inventeur : _/_ | Maison : Optis | Date : 1921 | 3/12 |