The NEC NP-PA521U is a commercial/professional installation projector that is aimed for the corporate and higher-end education markets. It is rated for a high 5200 lumens brightness, offers extensive wired and optional wireless networking, flexible mounting options, interchangeable lenses and support for multi-projector commercial applications.
This NEC projector, with a list price of $5799, offers interchangeable lenses. which are sold separately. A 2X medium throw zoom lens, model NP-13ZL with a MSRP of $749, was supplied with the review unit and the spec. sheet below reflects the characteristics of that specific lens.