R.Steinheil
F/6,0 F=100,000 mm (45,0°)
[ f/6,0 f=98,755 mm (45,0°) ]
R.Steinheil
F/6,0 F=100,000 mm (45,0°)
[ f/6,0 f=98,755 mm (45,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
19,300 | 1,61120 |
44,8 |
4,000 |
2 |
-173,500 | 1,56600 |
32,8 |
2,500 |
3 |
17,700 | air |
***** |
10,300 |
4 |
-13,300 | 1,56600 |
32,8 |
1,700 |
5 |
-21,400 | air |
***** |
0,500 |
6 |
-60,700 | 1,61120 |
44,8 |
2,300 |
7 |
-20,000 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 329
| |||
| Commentaire : tur nº99 III p143 | ||||
| Inventeur : A.Steinheil | Maison : Steinheil | Date : 1893 | 2/11 | |