1.50 Transitions VII Spheric Lens 72mm (Brown/ Grey) |
Material : 1.50 Index Resin (Ne=1.499, Abbe value=58, Specific gravity=1.32) |
CONVEX SURFACE |
CONCAVE
SURFACE |
C.T
(mm) |
E.T
(mm) |
Dia
(mm) |
Nominal
Curve |
True
Curve |
Sag
(sagitta:40mm) |
Sag
(sagitta:50mm) |
Radius
|
Back Curve |
Radius |
1.499 |
1.530 |
0.50 |
0.41 |
0.44 |
0.16 |
0.26 |
1,217.07 |
3.77 |
132.50 |
9.0 |
13.5 |
72 |
2.25 |
1.97 |
2.09 |
0.79 |
1.24 |
253.30 |
9.0 |
11.4 |
4.25 |
4.04 |
4.29 |
1.63 |
2.56 |
123.51 |
8.5 |
8.1 |
5.25 |
4.94 |
5.25 |
2.00 |
3.14 |
101.01 |
5.65 |
88.33 |
8.5 |
9.5 |
6.25 |
5.84 |
6.20 |
2.37 |
3.74 |
85.45 |
8.5 |
8.2 |
8.25 |
7.78 |
8.26 |
3.20 |
5.07 |
64.14 |
9.4 |
6.0 |