Toshiba Super Long throw zoom lens for X4500 projection lens

Super Long throw zoom lens for X4500 The Toshiba TLP-LUZ1 super long throw zoom lens adds flexibility for presentations given in large venues that require the projector to be positioned farther than the screen size and relative distance allow with a standard lens. Throw ratio range: 3.9-7.3:1. F number 2.2-3.0; f = 80-144mm. Screen size: 40" - 500". Projection distance: 7.5' - 146.5'.
Compatibility: Toshiba TLP-X4500U Conference Room Projector.