The NEC NP11FL 0.8:1 Fixed Short-Throw Projector Lens is a fixed wide angle lens for the NEC PA series of projectors. The compatible projectors include NP-PA622U/PA672W/PA722X, NP-PA500X/PA500U/PA550W/PA600X, NP1000/2000, NP1150/2150/3150/3151W, NP1250/2250/3250/3250W and NP1200/2200 projectors. The lens is easily installed by end users and doesn't require any special tools.