Optoma ProScene BX-CTA17f/2.1 - Short Throw LensMeet the Optoma ProScene BX CTA17f 2. 1, the ultimate short throw lens engineered for professional Optoma ProAV projectors. Designed to maximize image size in tight spaces, this lens delivers crisp, vivid projections with reliable color fidelity across a range of environmentsfrom high traffic event venues to sophisticated control rooms. The BX CTA17f 2. 1 integrates seamlessly with Optomas ProAV projector lineup, including models like the ZU660,