Multifex
F/4,0 F=111,900 mm (25,0°)
[ f/4,0 f=111,908 mm (25,0°) ]
Multifex
F/4,0 F=111,900 mm (25,0°)
[ f/4,0 f=111,908 mm (25,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
53,990 | 1,51700 |
***** |
4,783 |
2 |
-42,650 | 1,57500 |
***** |
0,820 |
3 |
512,950 | air |
***** |
44,414 |
4 |
107,990 | 1,57500 |
***** |
1,503 |
5 |
37,790 | air |
***** |
3,280 |
6 |
46,840 | 1,51700 |
***** |
3,690 |
7 |
-152,980 | air |
***** |
45,000 |
8 |
-188,300 | 1,64690 |
***** |
2,000 |
9 |
-65,300 | 1,52890 |
***** |
2,000 |
10 |
95,400 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 736
| |||
| Commentaire : GB 1904 23 388 | ||||
| Inventeur : _/_ | Maison : Beck | Date : 1904 | 2/112 | |