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F/4,0 F=101,049 mm (45,0°)
[ f/4,0 f=101,049 mm (45,0°) ]
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F/4,0 F=101,049 mm (45,0°)
[ f/4,0 f=101,049 mm (45,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
30,250 | 1,61420 |
59,2 |
4,820 |
2 |
-68,600 | air |
***** |
3,440 |
3 |
-37,090 | 1,56770 |
44 |
1,380 |
4 |
48,120 | air |
***** |
4,910 |
5 |
-48,120 | 1,56770 |
44 |
1,380 |
6 |
37,090 | air |
***** |
3,440 |
7 |
68,600 | 1,61420 |
59,2 |
4,820 |
8 |
-30,250 | air |
***** |
o3o-4k4j |
no dioptre diaphragme : 4 | Calcul n° 901
| |||
| Commentaire : GB 0 317 697 I | ||||
| Inventeur : B. Langton (Bertram) | Maison : Dallmeyer | Date : 1929 | 11/11 | |