Tachar
F/2,0 F=100,000 mm (40,0°)
[ f/2,0 f=100,405 mm (40,0°) ]
Tachar
F/2,0 F=100,000 mm (40,0°)
[ f/2,0 f=100,405 mm (40,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
56,000 | 1,60958 |
***** |
9,000 |
2 |
-1500,000 | air |
***** |
17,000 |
3 |
-55,000 | 1,67330 |
***** |
2,500 |
4 |
80,000 | air |
***** |
12,000 |
5 |
-373,000 | 1,60958 |
***** |
7,000 |
6 |
-48,000 | air |
***** |
1,500 |
7 |
194,000 | 1,60958 |
***** |
5,000 |
8 |
-194,000 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 2 | Calcul n° 279
| |||
| Commentaire : DE 0 440 229 II | ||||
| Inventeur : Willy F. Bielicke | Maison : Astro | Date : 1924 | 1/111 | |