_/_
F/8,0 F=100,000 mm (35,0°)
[ f/8,0 f=108,320 mm (35,0°) ]
_/_
F/8,0 F=100,000 mm (35,0°)
[ f/8,0 f=108,320 mm (35,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
17,300 | 1,61280 |
58,3 |
3,200 |
2 |
-97,200 | air |
***** |
0,200 |
3 |
-58,100 | 1,55800 |
45,5 |
1,600 |
4 |
16,000 | air |
***** |
8,700 |
5 |
368,000 | 1,52890 |
58,9 |
4,000 |
6 |
-70,500 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 1 | Calcul n° 690
| |||
| Commentaire : GB 1910 22157 III | ||||
| Inventeur : C .Beck | Maison : Beck | Date : 1910 | /111 | |