Camera Obscura Lens
F/8,0 F=100,000 mm (80,0°)
[ f/8,0 f=99,170 mm (80,0°) ]
Camera Obscura Lens
F/8,0 F=100,000 mm (80,0°)
[ f/8,0 f=99,170 mm (80,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
16,920 | 1,62670 |
56,1 |
1,700 |
2 |
39,580 | air |
***** |
0,800 |
3 |
23,470 | 1,58270 |
41,8 |
0,500 |
4 |
13,470 | air |
***** |
6,800 |
5 |
-12,110 | 1,58170 |
41,8 |
0,500 |
6 |
-20,350 | air |
***** |
0,800 |
7 |
-32,280 | 1,61290 |
58,6 |
1,700 |
8 |
-14,700 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 4 | Calcul n° 527
| |||
| Commentaire : GB 0 487 453 | ||||
| Inventeur : Bertram Langton | Maison : Dallmeyer | Date : 1937 | 11/11 | |