This is a Christie Short Throw Projector Lens 38-809037-01 xx (1.4-1.8:1)

fits many projectors including:  LX1000, LX1200, LX1500, LX1750

No returns on lenses unless item arrives damaged which needs to be communicated to us with-in 24 hours of receiving and signing for the package so please inspect the item when you sign for it.