The Sky-Watcher Mercury-607 Telescope is an Achromatic Refractor Telescope. This telescope is supplied with good levels of equipment for both astronomical and terrestrial observations. Although similar externally to many other telescopes on the market, these telescopes are supplied with superior 1.25\" eyepieces and accessories. The eyepieces have been specifically selected to give a much more useful and practical range of magnifications to increase your viewing experience. Specifications: Magnifications (with optics supplied): x35, x70, x140 Objective Lens Diameter: 60mm Telescope Focal Length: 700mm (f/11.66) Eyepieces Supplied (1.25\"): 10mm & 20mm x1.5 Erecting Eyepiece x2 Barlow Lens 1.25\" 5x24 Finderscope 1.25\"/31.7mm Star Diagonal Fully Coated Optics Alt-Azimuth Mount Aluminium Tripod with Accessory Tray Tube material: Aluminium