Panasonic ET-D3LEW600 is a motorized zoom projection lens for Panasonic 3-chip DLP projectors. It features an EEPROM for auto lens identification and a stepping motor for zoom and focus control with the projector. Focal length is 19.8–27.5 mm and F-number is 2.5. Throw ratios vary by projector group (0.924–1.28:1; 0.993–1.38:1; 1.12–1.55:1; 1.01–1.39:1). Housing measures 180 × 168 × 376 mm and mass is ~7.6 kg. Includes a lens cover.