_/_
F/3,0 F=100,000 mm (45,0°)
[ f/3,0 f=98,533 mm (45,0°) ]
_/_
F/3,0 F=100,000 mm (45,0°)
[ f/3,0 f=98,533 mm (45,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
41,460 | 1,61090 |
59,6 |
7,696 |
2 |
-46,330 | 1,54850 |
45,4 |
1,571 |
3 |
-1477,950 | air |
***** |
8,167 |
4 |
-43,040 | 1,54850 |
45,4 |
1,571 |
5 |
37,380 | air |
***** |
8,324 |
6 |
823,000 | 1,54850 |
45,4 |
1,571 |
7 |
38,480 | 1,61090 |
59,6 |
7,696 |
8 |
-38,480 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 5 | Calcul n° 472
| |||
| Commentaire : US 1 421 156 (n1g' original = 1.62411) | ||||
| Inventeur : Lionel Barton Booth | Maison : _/_ | Date : 1922 | 21/2 | |