The Barco RLD (Rear/Long Throw Distance) W R9832470 is a high-quality optical accessory designed to provide significant installation flexibility for professional Barco projectors (often the large venue 3-chip DLP series). The 0.77:1 throw ratio is categorized as an ultra-short throw, enabling the projector to produce very large images from a minimal distance, which is crucial for applications like simulators, museum exhibits, control rooms, or rear projection enclosures. The fixed focal length ensures consistent performance without the complexity of zoom adjustments. This lens features high-end optics engineered to maintain exceptional brightness, clarity, and color integrity across the entire image area, ensuring professional results in demanding visualization applications.