Optic: 12/7 | Angle: 62° - 28°30 | Angle DX: 44° - 18°50 | Min f/: 16 | Blades: 6 | Close: 3.5ft | Macro: ? | Focus Throw: ? | Filter: 82mm | Diam: 95mm | Length: 95mm | Total Length: 113mm | Weight: 1060g | Features: prototype