1.56 Photochromic Spheric Lens(Brown/Grey/Orange Grey) |
| Material : 1.55 Index Resin (Ne=1.549, Abbe value=43, Specific gravity=1.14) |
| Color : Brown, Grey, Orange 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 |
| 1.549 |
1.530 |
| 0.50 |
0.69 |
0.66 |
0.25 |
0.39 |
800.20 |
124.50 |
7.5 |
12.0 |
70 |
| 1.00 |
1.25 |
1.20 |
0.45 |
0.71 |
440.00 |
7.5 |
11.2 |
| 2.00 |
2.33 |
2.25 |
0.84 |
1.32 |
236.00 |
7.5 |
10.2 |
| 3.00 |
3.16 |
3.05 |
1.14 |
1.79 |
174.00 |
7.5 |
9.2 |
| 4.00 |
3.94 |
3.80 |
1.43 |
2.23 |
139.50 |
8.5 |
9.3 |
| 5.00 |
5.39 |
5.20 |
1.95 |
3.07 |
101.85 |
9.5 |
7.5 |
| 6.00 |
5.93 |
5.72 |
2.15 |
3.38 |
92.60 |
9.5 |
7.8 |
| 7.00 |
7.41 |
7.15 |
2.69 |
4.25 |
74.10 |
9.3 |
6.0 |
| 8.00 |
8.22 |
7.94 |
2.99 |
4.74 |
66.79 |
10.6 |
5.7 |
| 9.00 |
9.40 |
9.08 |
3.44 |
5.47 |
58.39 |
13.0 |
6.3 |
| 10.00 |
10.25 |
9.90 |
3.76 |
6.00 |
53.55 |
13.5 |
5.3 |
Center Thickness : 
0.5mm