The Maksutov-Cassegrains are the ultimate take-anywhere telescopes. They are also ideal if working space is limited. Despite their small dimensions they give powerful magnification. Their High-Resolution, diffraction limited optical systems are multi-coated to maximize contrast and image sharpness. The Maksutovs come in apertures of 90mm, 130mm and 150mm, and are available  complete with equatorial mounts and tripods. Whether your requirement is for terrestrial or astronomical use, these compact scopes are the perfect companion. Tube material: Aluminum.