-/-
F/8,0 F=100,000 mm (30,0°)
[ f/8,0 f=99,995 mm (30,0°) ]
-/-
F/8,0 F=100,000 mm (30,0°)
[ f/8,0 f=99,995 mm (30,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
21,250 | 1,60650 |
58,1 |
1,747 |
2 |
71,810 | air |
***** |
2,290 |
3 |
26,110 | 1,61930 |
37,4 |
0,941 |
4 |
15,720 | air |
***** |
5,522 |
5 |
-288,230 | 1,51930 |
58,7 |
0,738 |
6 |
342,570 | air |
***** |
1,145 |
7 |
-15,430 | 1,57030 |
41,1 |
1,349 |
8 |
-26,250 | air |
***** |
2,087 |
9 |
-71,810 | 1,60650 |
58,1 |
1,747 |
10 |
-21,250 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 4 | Calcul n° 131
| |||
| Commentaire : US 871 559 | ||||
| Inventeur : Conrad Beck et Horace Courthope Beck | Maison : Beck | Date : 1907 | 11/111 | |