Optoma BX-CTA08 Motorized Short Throw Lens with ZoomThe BX CTA08 semi wide zoom lens is ideal for immersive installations requiring a moderate distance from projector to screen. Full lens memory saves and quickly recalls Zoom, Focus, and Lens shift positions. Produce images in sizes from 50" up to 1000". Designed for use with Optoma ZK1320 and ZK1120 4K UHD+ projectors. TECHNICAL SPECIFICATIONS Throw Ratio 1. 25~2: 1 (ZK1320 ZK1120) PHYSICAL SPECIFICATIONS Weight 4. 2 lbs OTHER UPC 796435 07 148 6