_/_
F/16,0 F=200,000 mm (15,0°)
[ f/16,0 f=201,955 mm (15,0°) ]
_/_
F/16,0 F=200,000 mm (15,0°)
[ f/16,0 f=201,955 mm (15,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
18,030 | 1,61280 |
58,3 |
4,483 |
2 |
-98,930 | air |
***** |
0,204 |
3 |
-59,090 | 1,55800 |
45,5 |
1,070 |
4 |
16,400 | air |
***** |
4,279 |
5 |
252,680 | 1,52890 |
58,9 |
1,528 |
6 |
-252,680 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 1 | Calcul n° 692
| |||
| Commentaire : GB 1910 22157 I (sans L4) | ||||
| Inventeur : C .Beck | Maison : Beck | Date : 1910 | /111 | |