NEC Display NP49ZL - 21.80 mm to 49.80 mmf/2.66 - Ultra Long Throw Zoom LensThe NEC NP49ZL Ultra Long Throw Zoom Lens is engineered to redefine projection versatility, delivering sharp, bright images from extended distances without compromising color accuracy or edge to edge clarity. With a focal range of 21. 80 mm to 49. 80 mm and a fast f 2. 66 aperture, this lens is purpose built for large venues, auditoriums, classrooms, museums, and conference rooms where screen size and throw distance demand precise framing. Its compact