_/_
F/2,8 F=70,000 mm (60,0°)
[ f/4,5 f=71,667 mm (60,0°) ]
_/_
F/2,8 F=70,000 mm (60,0°)
[ f/4,5 f=71,667 mm (60,0°) ]
N° |
Rayon |
Indice d |
Constringence |
Épaisseur |
0 |
air | ***** |
***** | |
1 |
32,000 | 1,62000 |
36,3 |
3,500 |
2 |
19,600 | air |
***** |
9,400 |
3 |
-200,000 | 1,51600 |
64 |
3,000 |
4 |
21,700 | 1,73500 |
28,5 |
6,000 |
5 |
44,300 | air |
***** |
9,000 |
6 |
30,400 | 1,60700 |
56,7 |
3,000 |
7 |
58,500 | air |
***** |
7,600 |
8 |
-144,000 | 1,62400 |
36,8 |
2,000 |
9 |
17,800 | 1,57100 |
49,2 |
6,000 |
10 |
-44,200 | air |
***** |
0,500 |
11 |
27,500 | 1,62000 |
60,4 |
6,630 |
12 |
165,000 | air |
***** |
4,450 |
13 |
-117,000 | 1,60500 |
38,2 |
2,480 |
14 |
24,900 | air |
***** |
6,860 |
15 |
73,500 | 1,63900 |
55,5 |
7,960 |
16 |
-27,200 | 1,52300 |
58,4 |
2,000 |
17 |
-120,100 | air |
***** |
o3o-4k4j |
no dioptre diaphragme : 14 | Calcul n° 14
| |||
| Commentaire : DE 0 311 568 [a=70º] (sur Ektar f/3,5 F=100 n°496) | ||||
| Inventeur : _/_ | Maison : Askania | Date : 1952 | 121211/2 | |