Beryl
F/10,0 F=101,700 mm (70,0°)
[ f/10,0 f=101,705 mm (70,0°) ]
Beryl
F/10,0 F=101,700 mm (70,0°)
[ f/10,0 f=101,705 mm (70,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
19,430 | 1,61529 |
55,7 |
2,800 |
2 |
-40,150 | 1,54994 |
52,5 |
0,500 |
3 |
7,720 | 1,51790 |
58,3 |
1,850 |
4 |
19,590 | air |
***** |
5,740 |
5 |
-19,590 | 1,51790 |
58,3 |
1,850 |
6 |
-7,720 | 1,54994 |
52,5 |
0,500 |
7 |
40,150 | 1,61529 |
55,7 |
2,800 |
8 |
-19,430 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 4 | Calcul n° 242
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| Commentaire : | ||||
| Inventeur : _/_ | Maison : Boyer | Date : 1937 | 3/3 | |