Meade Infinity 70mm Altazimuth Refractor Telescope #209003 is a highly portable and economical model makes a terrific first telescope. Includes erecting prism to provide a fully corrected up/down and left to right image making this a great scope for a home with a view or birding. Includes simple to operate point and look mount with a very easy learning curve. Lens diameter is 70mm (2.8 inch). Telescope focal length of 700mm, f/10. 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 altazimuth mount, dual slow motion control knobs for fine centering and tracking of objects, three 1.25" eyepieces (MA6.3mm (111X), MA9mm (77X) and MA26mm (27X)), 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. Product carries full one year Meade factory limited warranty.