The NEC GT20ZL is a 2.0-2.6:1 medium range, power zoom lens designed for with the NEC GT5000 and GT6000 LCD projectors.
Power zoom and focus
Vertical lens shift: +/-0.5V (11.30° to 8.18°)
Horizontal lens shift: +/-0.32H (9.67° to 7.00°)
Weighs 4.40 lbs (2.0kg)
Projects onto a 40-300" screen