Know your gear
The NP19ZL 2.22 to 3.67:1 Medium Throw Zoom Lens with Lens Shift and Lens Memory from NEC is one of six optional lenses available (in addition to the standard lens) for the NEC NP-PX700W/PX750U/PX800X, NP-PX700W2/PX750U2/PX800X2, NP-PX803UL-BK/PX803UL-WH,