Xerxes Scientific designs and manufactures direct drive telescope mounts, camera adapters, tilt plates, and other accessory equipment for the astronomical science community. Their focus is on sky survey equipment using low-cost, wide-angle imaging hardware like the Celestron RASA telescope family, with multiple telescopes per mount. They specialize in direct drive telescope mounts that use no gears, providing precise tracking and stiffness for unguided long exposure imaging. Xerxes Scientific also produces adapters and accessories such as micrometer head tilt adapters for telescopes and mounting plates for multi-telescope installations. Founded by aerospace engineer Bruce Van Deventer, the company brings three decades of aerospace and optical engineering experience to develop efficient and cost-effective solutions for professional and advanced amateur astronomers.