R.Steinheil (type Celor)
F/10,0 F=99,930 mm (45,0°)
[ f/10,0 f=99,930 mm (45,0°) ]
R.Steinheil (type Celor)
F/10,0 F=99,930 mm (45,0°)
[ f/10,0 f=99,930 mm (45,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
13,430 | 1,53629 |
***** |
1,679 |
2 |
-29,140 | air |
***** |
1,041 |
3 |
-20,160 | 1,53564 |
***** |
0,588 |
4 |
16,890 | air |
***** |
1,679 |
5 |
-16,890 | 1,53564 |
***** |
0,588 |
6 |
20,160 | air |
***** |
1,041 |
7 |
29,140 | 1,53629 |
***** |
1,679 |
8 |
-13,430 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 4 | Calcul n° 328
| |||
| Commentaire : tur nº99 p141 | ||||
| Inventeur : A.Steinheil | Maison : Steinheil | Date : 1893 | 11/11 | |