Replacement Lens Type B2 (Wide Zoom)

Focal Length: 21.5 - 28.7 F Number: 2 Zoom Ratio: 1.33x Zoom and Focus Adjustment: Motorized Lens Shift Range: Vertical: +/-13%, Horizontal: +/-5% Projection Ratio: 1.02 - 1.36 Throw Distance: 43.3" - 578.7" (1.1 - 14.7m) Projection Image Size (Diagonal): 50 – 500 inch