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 |
0.42 |
0.32 |
0.12 |
0.19 |
1,665.23 |
61.50 |
6.6 |
18.9 |
75 |
1.00 |
1.04 |
0.80 |
0.30 |
0.47 |
665.32 |
79.80 |
6.0 |
14.3 |
2.00 |
1.98 |
1.52 |
0.57 |
0.89 |
349.66 |
6.0 |
13.2 |
3.00 |
2.91 |
2.22 |
0.83 |
1.31 |
238.44 |
6.0 |
12.8 |
4.00 |
3.84 |
2.93 |
1.10 |
1.72 |
180.87 |
95.10 |
7.0 |
10.7 |
5.00 |
4.92 |
3.76 |
1.41 |
2.21 |
141.05 |
7.0 |
9.6 |
6.00 |
5.81 |
4.44 |
1.67 |
2.61 |
119.45 |
7.2 |
9.1 |
7.00 |
6.77 |
5.17 |
1.94 |
3.05 |
102.56 |
8.1 |
8.8 |
8.00 |
7.91 |
6.04 |
2.27 |
3.57 |
87.74 |
8.0 |
7.9 |
9.00 |
8.56 |
6.54 |
2.46 |
3.88 |
81.03 |
90.50 |
8.2 |
7.2 |
10.00 |
9.46 |
7.22 |
2.72 |
4.30 |
73.39 |
8.2 |
6.0 |