Panasonic ET-ELW20 is a short zoom projection lens for Panasonic-compatible projectors. It provides a focal range of 20.4–27.6 mm and an F-number of 1.8–2.3. Throw ratios are format dependent, specified as 1.3–1.7:1 for WUXGA, WXGA and XGA configurations. The lens weighs about 1.20 kg and measures 116 × 116 × 196 mm. Supplied accessories include front and rear lens caps and spacers for focus correction. Motorized focus/zoom is not indicated; adjustment is manual.