The L2K-43ZM1 Long Throw Zoom Lens from NEC is compatible with the PH1201QL, NC3200S, and NC3240S projectors. It offers a throw ratio of 3.7:1 to 5.3:1, with a 4.3 to 6.1mm focal length.
NEC L2K-43ZM1 Specs
Throw Ratio 3.7 to 5.3:1
Focal Length f = 4.3 to 6.1mm
Exterior Dimensions ø: 7.3 x L: 12.4″ / ø: 18.5 x L: 31.5 cm
Weight 2 lb / 0.9 kg