1.70 Spheric Lens |
| Material : 1.70 Index Resin (Ne=1.70, Abbe value=35, Specific gravity=1.38) |
| CONVEX SURFACE |
CONCAVE
SURFACE |
C.T
(mm) |
E.T
(mm) |
Dia
(mm) |
Nominal
Curve |
True
Curve |
Sag
(sagitta:40mm) |
Sag
(sagitta:50mm) |
Radius |
Radius |
| 1.700 |
1.530 |
| 0.50 |
0.44 |
0.33 |
0.13 |
0.20 |
1,598.00 |
61.50 |
6.6 |
16.6 |
70 |
| 0.50 |
0.44 |
0.33 |
0.13 |
0.20 |
1,598.00 |
61.50 |
10.5 |
20.5 |
| 1.00 |
1.05 |
0.80 |
0.30 |
0.47 |
665.32 |
79.80 |
6.0 |
13.0 |
| 2.00 |
2.00 |
1.52 |
0.57 |
0.89 |
349.66 |
6.0 |
12.3 |
| 3.00 |
2.94 |
2.22 |
0.83 |
1.31 |
238.44 |
6.0 |
11.3 |
| 4.00 |
3.87 |
2.93 |
1.10 |
1.72 |
180.87 |
95.10 |
7.0 |
10.2 |
| 5.00 |
4.96 |
3.76 |
1.41 |
2.21 |
141.05 |
7.0 |
9.2 |
| 6.00 |
5.86 |
4.44 |
1.67 |
2.61 |
119.45 |
7.2 |
8.4 |
| 7.00 |
6.83 |
5.17 |
1.94 |
3.05 |
102.56 |
8.1 |
8.5 |
| 8.00 |
7.98 |
6.04 |
2.27 |
3.57 |
87.74 |
8.0 |
7.5 |
| 9.00 |
8.64 |
6.54 |
2.46 |
3.88 |
81.03 |
90.50 |
8.2 |
7.2 |
| 10.00 |
9.54 |
7.22 |
2.72 |
4.30 |
73.39 |
8.7 |
6.9 |
| 12.00 |
11.42 |
8.65 |
3.27 |
5.19 |
61.30 |
79.80 |
10.0 |
7.2 |
Center Thickness : 
0.5mm