1.67 Spheric Lens |
| Material : 1.67 Index Resin (Ne=1.665,
Abbe value=32, Specific gravity=1.35) |
| CONVEX SURFACE |
CONCAVE
SURFACE |
C.T
(mm) |
E.T
(mm) |
sDia
(mm) |
Nominal
Curve |
True
Curve |
Sag
(sagitta:40mm) |
Sag
(sagitta:50mm) |
Radius
|
Radius |
| 1.665 |
1.530 |
| 0.50 |
0.55 |
0.44 |
0.17 |
0.26 |
1,210.14 |
91.50 |
7.9 |
14.6 |
70/75 |
| 1.00 |
1.23 |
0.98 |
0.37 |
0.58 |
539.23 |
6.5 |
12.8 |
| 2.00 |
2.47 |
1.97 |
0.74 |
1.16 |
269.14 |
6.5 |
11.8 |
| 3.00 |
3.51 |
2.80 |
1.05 |
1.64 |
189.50 |
6.5 |
10.2 |
| 4.00 |
4.65 |
3.70 |
1.39 |
2.18 |
143.08 |
7.1 |
10.1 |
| 5.00 |
5.82 |
4.64 |
1.74 |
2.73 |
114.31 |
7.5 |
9.1 |
| 6.00 |
6.98 |
5.56 |
2.09 |
3.29 |
95.24 |
8.7 |
9.0 |
| 7.00 |
8.24 |
6.57 |
2.47 |
3.89 |
80.71 |
111.70 |
8.9 |
6.3 |
| 8.00 |
9.16 |
7.30 |
2.75 |
4.34 |
72.60 |
10.1 |
6.2 |
| 9.00 |
11.94 |
9.51 |
3.61 |
5.75 |
55.71 |
90.50 |
12.9 |
6.3 |
| 10.00 |
12.98 |
10.35 |
3.94 |
6.30 |
51.23 |
14.5 |
6.7 |
| 11.00 |
14.07 |
11.21 |
4.29 |
6.90 |
47.26 |
16.8 |
6.8 |
65 |
Center Thickness : 
0.5mm