Alethar
F/11,0 F=98,470 mm (35,0°)
[ f/11,0 f=98,474 mm (35,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
32,400 | 1,61550 |
***** |
1,000 |
2 |
-75,700 | air |
***** |
0,600 |
3 |
-37,900 | 1,52210 |
***** |
0,600 |
4 |
19,300 | 1,61550 |
***** |
1,300 |
5 |
-31,200 | 1,52110 |
***** |
0,600 |
6 |
31,200 | air |
***** |
3,800 |
7 |
-31,200 | 1,52110 |
***** |
0,600 |
8 |
31,200 | 1,61550 |
***** |
1,300 |
9 |
-19,300 | 1,52210 |
***** |
0,600 |
10 |
37,900 | air |
***** |
0,600 |
11 |
75,700 | 1,61550 |
***** |
1,000 |
12 |
-32,400 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 6 | Calcul n° 339
| |||
Commentaire : tur nº133 p173 | ||||
Inventeur : W. Zschokke et Franz Urban | Maison : Goertz | Date : 1903 | 13/31 |