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 |
0.58 |
0.44 |
0.16 |
0.26 |
1,214.63 |
61.50 |
6.6 |
16.6 |
70 |
| 0.50 |
0.58 |
0.44 |
0.16 |
0.26 |
1,214.63 |
61.50 |
10.5 |
20.5 |
| 1.00 |
1.28 |
0.97 |
0.36 |
0.57 |
546.87 |
79.80 |
6.0 |
13.0 |
| 2.00 |
2.22 |
1.68 |
0.63 |
0.99 |
315.00 |
6.0 |
12.3 |
| 3.00 |
3.08 |
2.33 |
0.88 |
1.37 |
227.40 |
6.0 |
11.3 |
| 4.00 |
3.94 |
2.98 |
1.12 |
1.75 |
177.60 |
95.10 |
7.0 |
10.2 |
| 5.00 |
5.10 |
3.86 |
1.45 |
2.27 |
137.25 |
7.0 |
9.2 |
| 6.00 |
5.88 |
4.45 |
1.67 |
2.62 |
119.10 |
7.2 |
8.4 |
| 7.00 |
6.73 |
5.10 |
1.91 |
3.00 |
104.00 |
8.1 |
8.5 |
| 8.00 |
7.80 |
5.91 |
2.22 |
3.49 |
89.70 |
8.0 |
7.5 |
| 9.00 |
8.75 |
6.63 |
2.49 |
3.93 |
80.00 |
90.50 |
8.2 |
7.2 |
| 10.00 |
9.61 |
7.27 |
2.74 |
4.33 |
72.86 |
8.7 |
6.9 |
| 12.00 |
11.53 |
8.73 |
3.30 |
5.25 |
60.70 |
79.80 |
10.0 |
7.2 |
Center Thickness : 
0.5mm