Epson Zoom lens is designed for use with select 3-chip DLP projectors the 26.6-36.4mm Zoom Lens from Panasonic enables you to vary the projection distance by adjusting the focal distance. The zoom lens is equipped with an EEPROM electronically erasable programmable read-only memory and a stepping motor. Included with the lens is a protective lens cover. The lens makes it possible to vary the projection distance by changing the focal distance.