Panasonic ET-DLE020 1-Chip DLP Projector Ultra Short Throw Zoom LensConventional ultra short throw lenses demand accurate, time consuming projector installation positioning with no margin for error. The ET DLE020s optical zoom, however, provides an installation margin of 45 mm (1. 77) and easy image adjustment at a throw ratio of 0. 280: 1, all with zero image offset. Combines with Panasonic laser projectors*1 to support Wide range Vertical and Horizontal Lens Shift, more than doubling movable shift area of comparable