The NP39ML 0.38:1 Ultra Short Throw Projector Lens from NEC offers large-screen projection from a short distance with a throw ratio of 0.38:1. It is compatible with the NP-PX700W, NP-PX750U, NP-PX800X, NP-PX700W2, NP-PX750U2, NP-PX800X2, NP-PX803UL-BK, and NP-PX803UL-WH professional installation projectors.CompatibilityNP-PX700W, NP-PX750U, NP-PX800X, NP-PX700W2, NP-PX750U2, NP-PX800X2, NP-PX803UL-BK, and NP-PX803UL-WH professional installation projectors0.38:1 Ultra-Short Throw Lens for the NP-PX700W/PX750U/PX800X, NP-PX700W2/PX750U2/PX800X2, NP-PX803UL-BK/PX803UL-WH and NP-PX1004UL-BK/PX1004UL-WH projectors.