Long Zoom 3 Lens compatible with DU8190Z, DU8090Z, D8800, D8900, DU6871, DW6851, DX6831, DW6851, D6035, D6535, D6675 Throw Ratios: XGA: 5.5-8.56:1 WXGA: 5.56-8.67:1 5.31-8.26:1 WUXGA: 5.31-8.26:1