The Sky-Watcher Mercury-705 Telescope is a 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 accept 1.25\" eyepieces and accessories. They come supplied with a sturdy Alt-Azimuth mount with fine-control cables and an easy to use red-dot finder. Specifications: Magnifications (with eyepieces supplied): x20 & x50 Highest Practical Power (Potential): x140 Objective Lens Diameter: 70mm Telescope Focal Length: 500mm (f/7.14) Eyepieces Supplied (1.25\"): 10mm & 25mm Red Dot Finder 45 deg Erect Image Diagonal 1.25\" AZ3 Deluxe Alt-Azimuth Mount Aluminium Tripod with Accessory Tray Tube material: Aluminium 36% more Light Gathering than 60mm