The Sky-Watcher Maksutov-Cassegrains are the ultimate take-anywhere telescopes. They are also ideal if working space is limited. Despite their small dimensions, they pack a powerful punch. Their High-Resolution, diffraction-limited optical systems are multi-coated to maximize contrast and image sharpness This Sky-Watcher Maksutov comes in apertures of 90mm and is available either complete with equatorial mounts and tripods, or as tube assemblies only, which can be mounted on a standard photographic tripod. Whether your requirement is for terrestrial or astronomical use, these compact scopes are the perfect companion.