Meade Polaris 70mm German Equatorial Refractor Telescope #216001 is a highly portable and economical model that makes a terrific first telescope. Lens diameter is 70mm (2.8 inch). Telescope focal length of 900mm, f/12.9. This attractive and solidly constructed entry level telescope will let you see detail on the Moon, view the main division in the rings of Saturn, detect the cloud belts of Jupiter as well as its primary moons, and view the brighter deep sky objects like clusters and nebulae. Includes PC compatible astronomy software and instructional DVD. Features a 1.25" rack-and-pinion focuser, a sturdy German Equatorial Mount with dual slow motion control knobs for fine centering and tracking of objects, three 1.25" eyepieces (MA6.3mm (143X), MA9mm (100X) and MA26mm (35X)), 2X Barlow to double the power of each of those eyepieces, easy to use red dot viewfinder, diagonal mirror, height adjustable full size tripod with tubular steel legs and a convenient accessory tray. Bonus erecting prism included, to provide a fully corrected up/down and left to right image for daytime use. Product carries full one year Meade factory limited warranty.