|
Signet SRC FT 28/70 Standard Resin
|
| Nominal Curve | True Curve | Radius mm | SAG at 50mm | Nominal Concave | Edge Thickness | Center Thickness |
0.50 |
0.48 |
1104.167 |
0.28 |
6.75 |
16.5 |
9.4 |
2.00 |
2.03 |
264.084 |
1.20 |
6.75 |
14.5 |
8.8 |
4.25 |
4.29 |
123.543 |
2.56 |
6.75 |
11.0 |
8.0 |
5.25 |
5.21 |
101.727 |
3.12 |
6.75 |
11.0 |
9.1 |
6.25 |
6.22 |
85.209 |
3.75 |
6.75 |
11.0 |
10.6 |
8.25 |
8.20 |
64.634 |
5.03 |
6.75 |
7.5 |
10.3 |
10.25 |
10.59 |
50.047 |
6.69 |
6.75 |
8.0 |
13.7 |
|
Signet SRC FT 35/70 Standard Resin
(Standard Index 1.498) Lens Blank Diameter: 70mm Segment Displacement: 5mm in, 5mm down Adds in 0.25 diopter steps from 1.00 to 4.00 |
| Nominal Curve | True Curve | Radius mm | SAG at 50mm | Nominal Concave | Edge Thickness | Center Thickness |
0.50 |
0.48 |
1104.167 |
0.28 |
6.75 |
16.5 |
9.4 |
2.00 |
2.01 |
263.682 |
1.19 |
6.75 |
14.5 |
8.8 |
4.25 |
4.14 |
128.019 |
2.46 |
6.75 |
11.0 |
8.0 |
6.25 |
6.26 |
84.665 |
3.78 |
6.75 |
11.0 |
10.3 |
8.25 |
8.41 |
63.020 |
5.17 |
6.75 |
7.5 |
10.3 |
10.25 |
10.59 |
50.047 |
6.69 |
6.75 |
8.0 |
13.7 |