This Sanyo LNS-W05 1.3 - 1.8 Short Throw Lens is compatible with Sanyo, Christie, and Eiki brands. It is a zoom lens designed for projection and movie photography. The lens is perfect for professionals and enthusiasts who want to achieve a clear and sharp image without adjusting the distance between the projector and the screen. The lens is made from high-quality materials that ensure durability and longevity. It is perfect for use in various settings, including classrooms, boardrooms, and home theaters. The lens is easy to install and use, and it is a great addition to any projector setup.