Hitachi SL-502 Ultra Short Throw Zoom & Focus Projector / Projection LensFeatures Compatible Projectors CP X1200 CP X1250 CP SX1350 Throw to Screen Width Ratio The throw to screen width ratio is: 1. 1: 1 (wide); 1. 5: 1 (tele) Specifications Hitachi Ultra Short Throw Projection Lens Compatible with CP X1200, CP X1250 and CP SX1350 Projectors The throw to screen width ratio is: 1. 1: 1 (wide); 1. 5: 1 (tele)