Replacement Lens Type B4 (Standard)

Focal Length: 31.8 - 42.1 F Number: 2 Zoom Ratio: 1.33x Zoom and Focus Adjustment: Motorized Lens Shift Range: Vertical: +/-60%, Horizontal: +/-25% Projection Ratio: 1.5 - 2.0 Throw Distance: 63" - 846.5" (1.6 - 21.5m) Projection Image Size (Diagonal): 50 – 500 inch