1.70 Spheric Lens D75mm |
| 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 |
0.57 |
0.44 |
0.16 |
0.26 |
1,214.63 |
61.50 |
6.6 |
18.9 |
75 |
| 1.00 |
1.16 |
0.89 |
0.33 |
0.52 |
595.86 |
79.80 |
6.0 |
14.3 |
| 2.00 |
2.17 |
1.66 |
0.62 |
0.97 |
320.00 |
6.0 |
13.2 |
| 3.00 |
3.04 |
2.32 |
0.87 |
1.36 |
228.50 |
6.0 |
12.8 |
| 4.00 |
3.96 |
3.02 |
1.13 |
1.78 |
175.35 |
95.10 |
7.0 |
10.7 |
| 5.00 |
4.96 |
3.78 |
1.42 |
2.23 |
140.05 |
7.0 |
9.6 |
| 6.00 |
5.83 |
4.45 |
1.67 |
2.62 |
119.10 |
7.2 |
9.1 |
| 7.00 |
6.67 |
5.10 |
1.91 |
3.00 |
104.00 |
8.1 |
8.8 |
| 8.00 |
7.74 |
5.91 |
2.22 |
3.49 |
89.70 |
8.0 |
7.9 |
| 9.00 |
8.51 |
6.50 |
2.45 |
3.85 |
81.51 |
90.50 |
8.2 |
7.2 |
| 10.00 |
9.53 |
7.27 |
2.74 |
4.33 |
72.86 |
8.2 |
6.0 |
Center Thickness : 
0.5mm