_/_
F/5,0 F=107,000 mm (50,0°)
[ f/5,0 f=106,489 mm (50,0°) ]
_/_
F/5,0 F=107,000 mm (50,0°)
[ f/5,0 f=106,489 mm (50,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
25,000 | 1,62020 |
***** |
6,500 |
2 |
12,500 | 1,46370 |
***** |
3,400 |
3 |
37,000 | air |
***** |
7,000 |
4 |
-21,000 | 1,46370 |
***** |
1,000 |
5 |
70,000 | 1,62240 |
***** |
5,000 |
6 |
-23,900 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 423
| |||
| Commentaire : DE 0 293 790 | ||||
| Inventeur : Heinrich Ernemann | Maison : Ernemann | Date : 1913 | 2/2 | |