Dallmeyer (Portrait type Petzval)
F/3,0 F=100,000 mm (30,0°)
[ f/3,0 f=100,682 mm (30,0°) ]
Dallmeyer (Portrait type Petzval)
F/3,0 F=100,000 mm (30,0°)
[ f/3,0 f=100,682 mm (30,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
52,200 | 1,51510 |
58 |
6,500 |
2 |
-45,400 | 1,57380 |
41 |
1,700 |
3 |
260,800 | air |
***** |
34,800 |
4 |
-556,400 | 1,51510 |
58 |
5,200 |
5 |
-34,800 | air |
***** |
1,300 |
6 |
-31,100 | 1,57380 |
41 |
1,600 |
7 |
-62,300 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 177
| |||
| Commentaire : [011000.O3O][D:\VBDOS\O3O\-O3O_2.MDB 11000]tur nº80 p124 | ||||
| Inventeur : Petzval | Maison : Dallmeyer | Date : ? | 2/11 | |