The BenQ 5.31 to 8.26:1 1.25x Ultra-Wide Zoom Lens is designed for use with BenQ PX9600, PX9710, and PW9500 projectors. This lens offers a variable throw ratio of 5.31 to 8.26:1 and a magnification factor of 1.25x, allowing for flexibility in projector placement and image size. It is ideal for large venue applications where the projector needs to be positioned at various distances from the screen while maintaining image quality and clarity. This lens helps achieve a wide projection range and can cater to different projection needs in various settings.