Sony VPLL-Z4015. Throw ratio: 2.02:1 - 2.72:1, Aperture range (F-F): 2.2 - 2.6, Projected image size: 40 - 600. Dimensions (WxDxH): 148 x 231 x 133 mm, Weight: 3 kg
Short focus zoom lens Throw ratio - 2.06:1 to 2.72:1 (XGA model) - 2.02:1 to 2.67:1 (WUXGA model)