_/_
F/1,5 F=65,250 mm (20,0°)
[ f/1,8 f=63,017 mm (20,0°) ]
_/_
F/1,5 F=65,250 mm (20,0°)
[ f/1,8 f=63,017 mm (20,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
37,750 | 1,63000 |
***** |
0,800 |
2 |
25,000 | 1,61100 |
***** |
7,400 |
3 |
Dpt. plan | air |
***** |
8,800 |
4 |
-51,250 | 1,63000 |
***** |
0,900 |
5 |
-106,000 | air |
***** |
0,000 |
6 |
35,350 | 1,63000 |
***** |
1,200 |
7 |
25,000 | air |
***** |
17,000 |
8 |
112,000 | 1,52600 |
***** |
5,000 |
9 |
-47,000 | air |
***** |
o3o-4k4j |
no dioptre diaphragme : 5 | Calcul n° 1040
| |||
| Commentaire : FR 0 537 460 II | ||||
| Inventeur : R. Berthon (Rodolphe) | Maison : _/_ | Date : 1922 | 21/11 | |