The Sanyo Standard Zoom Lens (LNS-S20) delivers premium performance while adding flexibility for presentations given in average size venues. Use the LNS-S20 lens when the projector needs to be positioned an average distance from the screen but proper image size needs to be maintained. The zoom feature allows a variety of projector distances while keeping image size consistent. Zoom lens - 27 mm - 45 cm - f/1.7-2.3 - for PLC-WM4500L, PLC-WM5500L, PLC-XM100L, PLC-XM150L, PLC-ZM5000L