PARAMETER
| Focal Length | 18-90 mm | 65-280 mm |
| colour | Black | |
| Mount | PL / EF | |
| Aperture | T2.9-T22 | T2.9/4-T22 |
| image circle | φ31.5mm(S35) | |
| construction of Optics | 24 Elements in 17 Groups | 21 Elements in 17 Groups |
| Flange Distance | 52mm(PL)/44mm(EF) | |
| Close Focus (from sensor plane) |
0.7m/2ft3in | 1.1m/3ft7in |
| zoom ratio | 5X | 4.31X |
| Iris control | Manual(74.1°) | Manual(73.5°) |
| Focus control | Manual(270°) | |
| Zoom control | Manual(100°) | |
| front Dia. | ∮114mm/4.48in | |
| Length (from lens front to flange plane) |
249.1mm/9.8″ PL mount 256.4mm/10.1″ EF mount |
267.1mm/10.5″ PL mount 274.4mm/10.8″ EF mount |
| Iris Blade | 16 | |
| Filter Size | M105 | |
| Gear Pitch | 0.8 Mod | |
| material | Aluminum Alloy | |
| Weight(Product) | ≈3539g | ≈3962g |







