The Panasonic ET-C1W300 projector zoom lens is designed for use with compatible Panasonic REQ/REZ Series projectors. This lens makes it possible to vary the projection distance by changing the focal distance.
• F value: 1.94–2.28
• Focal distance (f): 9.9-12.3 mm
• Throw ratio: WUXGA 0.55–0.69:1 (16:10 aspect ratio)