The NEC NP09ZL is a motorized 2x zoom lens. It is one of five optional lenses available (in addition to the standard lens) for the NEC NP4000 and NP4100 LCD projectors to support a variety of specific installation environments, such as conference rooms, halls, and exhibitions. The lens is easily installed by end users and doesn't require any special tools.
Power zoom and focus
2.22-4.43:1 Throw Ratio
Lens shift is maximum +5V (vertical) and +/-0.1H (horizontal)
Projects onto a 40-500" screen from 5.78' (1.76 m) to 152.2' (46.41 m) away when used with the NP4000
Projects onto a 40-500" screen from 6.3' (1.92 m) to 165.4' (50.42 m) away when used with the NP4001