Keep large-format projection flexible in rooms where throw distance is fixed and image size cannot be compromised. The Epson ProAV ELPLM10 Mid Zoom 3 lens is designed for installation environments that demand accurate optical matching across high-brightness projector classes. With throw ratios specified for WUXGA and 4K applications, it gives AV teams the placement range needed to align image geometry, preserve brightness, and reduce installation constraints. This lens is built for professional projection systems where lens choice directly affects performance. For WUXGA models under 9,000 lumens, the throw ratio range is 3.32 to 5.06. For WUXGA projectors from 9,000 to 20,000 lumens, the range is 2.42 to 3.71. For 4K projection up to 20,000 lumens, the range is 2.34 to 3.59. That spread supports a wide set of venue layouts, from boardrooms and lecture halls to auditoriums and control spaces. When projection is part of a permanent installation, the lens is not an accessory — it is part of the image system. The ELPLM10 helps teams specify the right optical path for the projector class in use, reducing trial-and-error during deployment and supporting cleaner, more predictable results at scale.