Olor
F/4,0 F=100,000 mm (45,0°)
[ f/4,0 f=110,677 mm (45,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
28,800 | 1,62280 |
***** |
5,700 |
2 |
-525,000 | air |
***** |
7,000 |
3 |
-75,100 | 1,67430 |
***** |
1,300 |
4 |
27,700 | air |
***** |
12,100 |
5 |
455,000 | 1,50020 |
***** |
4,000 |
6 |
-42,600 | 1,53280 |
***** |
1,750 |
7 |
47,700 | 1,62280 |
***** |
4,100 |
8 |
-50,500 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 2 | Calcul n° 180
| |||
Commentaire : US 1 122 895 (le brevet indique 55º) | ||||
Inventeur : C. Florian | Maison : Lacourt-Berthiot | Date : 1913 | 1/13 |