| Diameter (mm) |
Focal Length (mm) |
Back Focal Length (mm) |
Radius of Curvature (mm) |
Center Thickness (mm) |
Edge Thickness (mm) |
|---|---|---|---|---|---|
| 1" | 25.4 | 22.2 | 24.5 | 9 | 1.9 |
| 1" | 30 | 27.3 | 29.5 | 7.7 | 2 |
| 1" | 35 | 32.7 | 34.9 | 6.8 | 2 |
| 1" | 40 | 37.9 | 40.1 | 6.1 | 2 |
| 1" | 50 | 48.2 | 50.6 | 5.2 | 2 |
| 1" | 60 | 58.4 | 61 | 4.7 | 2 |
| 1" | 75 | 73.6 | 76.6 | 4.1 | 2 |
| 1" | 100 | 98.8 | 102.4 | 3.6 | 2 |
| 1" | 125 | 123.9 | 128.2 | 3.3 | 2 |
| 1" | 150 | 149 | 154 | 3.1 | 2 |
| 1" | 175 | 174 | 179.8 | 2.9 | 2 |
| 1" | 200 | 199.1 | 205.6 | 2.8 | 2 |
| 1" | 250 | 249.1 | 257.1 | 2.6 | 2 |
| 1" | 300 | 299.2 | 308.6 | 2.5 | 2 |
| 1" | 400 | 399.2 | 411.7 | 2.4 | 2 |
| 1" | 500 | 499.2 | 514.7 | 2.3 | 2 |
| 1" | 750 | 749.3 | 772.2 | 2.2 | 2 |
| 1" | 1000 | 999.3 | 1029.8 | 2.2 | 2 |
| 2" | 60 | 55 | 59.3 | 14.4 | 3 |
| 2" | 75 | 71 | 75.2 | 11.8 | 3 |
| 2" | 100 | 96.8 | 101.4 | 9.5 | 3 |
| 2" | 125 | 122.3 | 127.4 | 8.1 | 3 |
| 2" | 150 | 147.6 | 153.3 | 7.2 | 3 |
| 2" | 175 | 172.0 | 179.1 | 6.6 | 3 |
| 2" | 200 | 198 | 205 | 6.2 | 3 |
| 2" | 250 | 248.2 | 256.6 | 5.5 | 3 |
| 2" | 300 | 298.3 | 308.2 | 5.1 | 3 |
| 2" | 400 | 398.5 | 411.3 | 4.5 | 3 |
| 2" | 500 | 498.6 | 514.4 | 4.3 | 3 |
| 2" | 750 | 748.7 | 772 | 3.8 | 3 |
| 2" | 1000 | 998.8 | 1029.5 | 3.6 | 3 |
| 6 | 10 | 9.2 | 9.9 | 2.4 | 1.5 |
| 6 | 12 | 11.2 | 12 | 2.3 | 1.5 |
| 9 | 12 | 10.7 | 11.7 | 3.6 | 1.8 |
| 9 | 20 | 19 | 20.1 | 2.8 | 1.8 |
| 1/2" | 15 | 13.4 | 14.6 | 4.7 | 1.8 |
| 1/2" | 20 | 18.7 | 19.9 | 3.9 | 1.8 |
| 1/2" | 25 | 23.8 | 25.2 | 3.4 | 1.8 |
| 1/2" | 30 | 28.9 | 30.4 | 3.1 | 1.8 |
| 1/2" | 40 | 39.1 | 40.7 | 2.8 | 1.8 |
| 1/2" | 50 | 49.1 | 51.1 | 2.6 | 1.8 |
| 1/2" | 100 | 99.3 | 102.6 | 2.2 | 1.8 |
