Tele-photo objective
F/8,0 F=100,000 mm (26,0°)
[ f/8,0 f=99,806 mm (26,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
18,050 | 1,58990 |
60 |
3,756 |
2 |
-17,030 | 1,62590 |
36 |
0,968 |
3 |
216,020 | air |
***** |
11,641 |
4 |
208,570 | 1,61290 |
37 |
2,052 |
5 |
-14,020 | air |
***** |
0,331 |
6 |
-12,090 | 1,61190 |
59 |
0,943 |
7 |
18,250 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 83
| |||
Commentaire : US 1 156 743 II (Focale originale : 12mm) | ||||
Inventeur : L. B. Booth | Maison : | Date : 1915 | 2/11 |