Clex 1.74 Spin Photochromic Spheric Lens |
| Material : 1.74 Index Resin (Ne=1.738, Abbe value=32, Specific gravity=1.47) |
| Color : Brown, Grey |
| CONVEX SURFACE |
CONCAVE SURFACE |
C.T
(mm) |
E.T
(mm) |
Dia
(mm) |
Nominal
Curve |
True
Curve |
Sag
(sagitta:40mm) |
Sag
(sagitta:50mm) |
Radius
|
Radius |
| 1.738 |
1.530 |
| 0.50 |
0.60 |
0.43 |
0.161 |
0.25 |
1,240.00 |
55.53 |
7.7 |
19.5 |
70 |
| 1.50 |
1.41 |
1.01 |
0.380 |
0.59 |
525.00 |
56.55 |
7.5 |
18.7 |
| 2.25 |
2.25 |
1.62 |
0.608 |
0.95 |
328.00 |
64.62 |
7.0 |
15.5 |
| 3.50 |
3.35 |
2.41 |
0.905 |
1.42 |
220.00 |
76.80 |
5.9 |
12.5 |
75 |
| 5.00 |
4.93 |
3.54 |
1.329 |
2.08 |
149.70 |
110.48 |
6.3 |
8.0 |
| 6.75 |
6.72 |
4.83 |
1.812 |
2.84 |
109.81 |
95.23 |
6.0 |
7.3 |
| 8.50 |
8.51 |
6.11 |
2.296 |
3.61 |
86.76 |
85.52 |
7.0 |
7.2 |
70 |
| 10.25 |
10.18 |
7.31 |
2.754 |
4.35 |
72.50 |
76.80 |
7.5 |
7.0 |
| 11.50 |
11.59 |
8.32 |
3.144 |
4.99 |
63.68 |
79.10 |
8.5 |
6.6 |
65 |
| 12.50 |
12.33 |
8.86 |
3.353 |
5.33 |
59.83 |
9.5 |
6.9 |
Center Thickness:
0.5mm