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.3.70-5.30 Motorized Zoom Lens (lens shift) for the PH1201QL, PH2601QL and PH3501QL projectors: Requires lens adapter ring NC-50LA01