| Navigator Short™
in Standard Resin Scratch Resistant (1.498 Standard Index) 74mm Diameter Lens Blank Distance decentration: 3mm Adds in 0.25 diopter steps from 1.00 to 3.00 |
| Nominal Curve | True Curve | Radius mm | SAG at 50mm | Nominal Concave | Edge Thickness | Center Thickness |
| 1.25 | 1.18 | 3.0 | 14.9 | 13.8 | ||
| 3.25 | 3.22 | 6.0 | 11.2 | 8.7 | ||
| 5.50 | 5.57 | 6.0 | 7.6 | 8.5 | ||
| 7.50 | 7.62 | 6.0 | 7.5 | 11.6 |