Epson Zoom Projector Lens is designed for use with select 3-chip DLP projectors the 96.6-154.9mm 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. The lens makes it possible to vary the projection distance by changing the focal distance.