This zoom lens is designed for use with Panasonic’s applicable projectors. The lens makes it possible to vary the projection distance by changing the focal distance.
Panasonic ET-DLE060 0.6-0.81 Lens Rental
Zoom lens for 1-Chip DLP projectors
Throw ratio:
For WUXGA models: 0.60-0.80:1
For WXGA models: 0.63-0.84:1
For XGA models: 0.62-0.83:1