Cooke Speed Panchro Prime Lenses (Van Diemen Conversion)
| Focal Length | Aperture | Close Focus | Front Diameter | Weight (lbs) |
|---|---|---|---|---|
| 18mm | T2.2 | 7" | 100mm | 1.2 |
| 25mm | T2.2 | 11" | 100mm | 1 |
| 32mm | T2.3 | 8" | 100mm | 1.8 |
| 40mm | T2.3 | 12" | 100mm | 2 |
| 50mm | T2.3 | 11" | 100mm | 2.2 |
| 75mm | T2.3 | 20" | 100mm | 2.5 |
| 100mm | T2.8 | 30" | 100mm | 2.6 |