Christie 1.2-1.5:1 short zoom lens
Christie Short Zoom Lens 1.2-1.5:1 2K/1.7-2.12:1 4K, H/HS Series, Full
The 1.2 to 1.5:1 Short Zoom Lens from Christie is compatible with the company's D12HD-H, D12WU-H and more projectors. It provides a throw ratio of 1.2 to 1.5:1, allowing the distance between the projector and the screen to be approximately 1.2 to 1.5x the width of the projected image.