Long Zoom 1 Lens compatible with DU8190Z, DU8090Z, D8800, D8900, DU6871, DW6851, DX6831, DW6851, D6035, D6535, D6675 Throw Ratios: XGA: 2.3-3.81:1 WXGA: 2.33-3.86:1 1080p:2.22-3.67:1 WUXGA: 2.22-3.67:1