Panasonic ET-DLE020 Ultra-Short Throw Zoom Lens. It provides varying short-throw ratios depending on the resolution setting of your projector and features zoom and zero offset for flexible setup options. ET-DLE020 provides an installation margin of 1.77 and easy image adjustment with a throw ratio of 0.281 with zero image offset. These features combine with the wide vertical and horizontal lens shift of compatible laser projectors to broaden your installation options expediting setup.