Cook lens Serie IIIb
F/8,0 F=100,000 mm (60,0°)
[ f/8,0 f=98,268 mm (60,0°) ]
Cook lens Serie IIIb
F/8,0 F=100,000 mm (60,0°)
[ f/8,0 f=98,268 mm (60,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
17,000 | 1,61140 |
56,3 |
4,000 |
2 |
-94,500 | air |
***** |
0,800 |
3 |
-56,000 | 1,56790 |
43,4 |
0,700 |
4 |
15,900 | air |
***** |
11,200 |
5 |
362,300 | 1,61140 |
56,3 |
2,830 |
6 |
-77,000 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 4 | Calcul n° 343
| |||
| Commentaire : GB 1895 15 107 III | ||||
| Inventeur : H. D. Taylor | Maison : Taylor | Date : 1895 | 11/1 | |