| KODAK Concise® InstaShades® PolyClear®
(1.586) 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 | 1.16 | 456.897 | 0.68 | 6.0 | 14.8 | 8.7 |
| 3.25 | 3.14 | 168.790 | 1.86 | 6.0 | 13.1 | 9.6 |
| 5.50 | 5.40 | 98.148 | 3.24 | 6.0 | 8.8 | 8.9 |
| 7.50 | 7.40 | 71.622 | 4.50 | 6.0 | 10.3 | 13.4 |