The Panasonic ET-ELS20 is a high-performance standard zoom lens designed for use with compatible Panasonic large-venue projectors. Offering a 1.7–2.8:1 throw ratio, it provides flexible installation options for a wide variety of projection environments, from lecture halls to large conference rooms. Built with precision optical glass, the ET-ELS20 ensures exceptional image clarity and brightness across the entire zoom range. Its motorized zoom and focus capabilities make setup simple, while the lens shift function allows precise image alignment without distortion.