This Epson Short-Throw Lens ELPLU03 is an interchangeable lens that works with PowerLite Pro G7XXX and Pro LXXXX series projectors (excludes Pro L25000 projector). Zoom Ratio: 1.0 - 1.2x Throw Ratio (4.3): 0.89 - 1.08 Throw Ratio (16:10): 0.65 - 0.78 Throw Ratio (16:10): 0.48 - 0.57, for Pro L1500 and Pro L1505,