-F Value: 1.75 ~ 2.17 -Focal Distance (f): 29.9 mm ~ 46.32 mm (1-3/16 ~ 1-13/16 inches) Throw Ratio: 1.35~2.10:1 for PT-MZ16KL/MZ13KL/MZ10KL (16:10 aspect ratio) 1.35~2.10:1 for PT-MZ16KL/MZ13KL/MZ10KL (16:9 aspect ratio) 1.62~2.50:1 for PT-MZ16KL/MZ13KL/MZ10KL (4:3 aspect ratio) -Dimensions: (W x H x D) 173 × 130 × 266.8 mm (6-13/16 × 5-1/8 × 10-1/2 inches) -Weight: 3.6 kg (7.93 lbs) -Applicable Projectors: PT-MZ16KL/MZ13KL/MZ10KL -Lens type: Zoom Lens