Triple Achromatic lens
F/12,0 F=100,000 mm (60,0°)
[ f/12,0 f=100,003 mm (60,0°) ]
Triple Achromatic lens
F/12,0 F=100,000 mm (60,0°)
[ f/12,0 f=100,003 mm (60,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
27,950 | 1,51400 |
58 |
2,190 |
2 |
-21,380 | 1,53100 |
51 |
0,522 |
3 |
181,080 | air |
***** |
3,129 |
4 |
127,050 | 1,51400 |
58 |
0,730 |
5 |
-40,580 | 1,53100 |
51 |
0,313 |
6 |
28,680 | air |
***** |
7,093 |
7 |
-271,200 | 1,53100 |
51 |
0,522 |
8 |
31,810 | 1,51400 |
58 |
2,921 |
9 |
-42,350 | air |
***** |
o3o-3k4f |
no dioptre diaphragme : 3 | Calcul n° 356
| |||
| Commentaire : Tur. nº 153 p. 196 | ||||
| Inventeur : Dallmeyer | Maison : Dallmeyer | Date : 1860 | 2/22 | |