Ektar
F/6,0 F=100,000 mm (55,0°)
[ f/6,0 f=100,091 mm (55,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
24,970 | 1,61088 |
58 |
2,118 |
2 |
-79,380 | air |
***** |
1,888 |
3 |
-39,840 | 1,60534 |
43,9 |
1,059 |
4 |
39,840 | air |
***** |
3,247 |
5 |
-39,840 | 1,55613 |
48,1 |
1,059 |
6 |
39,840 | air |
***** |
1,888 |
7 |
79,380 | 1,61088 |
58 |
2,118 |
8 |
-24,970 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 4 | Calcul n° 10
| |||
Commentaire : US 1 309 847 | ||||
Inventeur : C. W. Frederick & F. E. Altman | Maison : Kodak | Date : 1919 | 11/11 |