Description
| SF 1.74 Single Vision Lens UC | |||||||||
| Material Refractive Index=1.738 Tooling Index=1.530 | |||||||||
| DIA (mm) |
Nominal Curve |
True Base (Nd-1.530) |
Radius (mm) |
Sag at 50mm | Thickness (mm) |
||||
| Front | Front | Back | Front | Back | Front | Back | Center | Edge | |
| 70 | 0.50 | 0.27 | 9.40 | 1942.10 | 56.38 | 0.16 | 5.85 | 5.50 | 17.00 |
| 70 | 1.50 | 1.04 | 9.40 | 511.81 | 56.38 | 0.61 | 5.85 | 7.50 | 18.70 |
| 70 | 2.25 | 1.57 | 8.20 | 338.07 | 64.63 | 0.93 | 5.03 | 7.00 | 15.50 |
| 75 | 3.50 | 2.47 | 6.90 | 214.87 | 76.81 | 1.46 | 4.18 | 6.10 | 12.50 |
| 75 | 5.00 | 3.54 | 4.80 | 149.80 | 110.42 | 2.10 | 2.87 | 6.30 | 8.00 |
| 75 | 6.75 | 4.78 | 5.80 | 110.83 | 91.38 | 2.86 | 3.49 | 6.00 | 7.50 |
| 70 | 8.50 | 6.12 | 6.20 | 86.60 | 85.48 | 3.69 | 3.74 | 7.00 | 7.10 |
| 70 | 10.25 | 7.31 | 6.90 | 72.47 | 76.81 | 4.45 | 4.18 | 7.50 | 6.90 |
| 65 | 11.50 | 8.32 | 6.70 | 63.70 | 79.10 | 5.11 | 4.05 | 8.60 | 6.60 |
| 65 | 12.50 | 8.95 | 6.70 | 59.24 | 79.10 | 5.53 | 4.05 | 9.50 | 6.60 |
| 65 | 13.50 | 9.70 | 6.20 | 54.63 | 85.48 | 6.06 | 3.74 | 10.70 | 6.50 |
| 65 | 14.50 | 10.55 | 6.20 | 50.24 | 85.48 | 6.66 | 3.74 | 11.50 | 6.00 |
| 65 | 15.50 | 11.26 | 6.20 | 47.07 | 85.48 | 7.19 | 3.74 | 12.60 | 6.00 |
| 65 | 16.50 | 11.94 | 5.60 | 44.38 | 94.64 | 7.71 | 3.36 | 14.40 | 6.00 |