Long Zoom 2 Lens compatible with DU8190Z, DU8090Z, D8800, D8900, DU6871, DW6851, DX6831, DW6851, D6035, D6535, D6675 Throw Ratios: XGA: 3.71-5.57:1 WXGA: 3.76-5.64:1 1080p:3.58-5.38:1 WUXGA: 3.58-5.38:1