This very gently used Celestron Firstscope 90 EQ is a high quality German Equatorial 90mm refractor that makes an excellent telescope for the more serious beginning astronomer. The setting circles and slow motion controls on the R.A. and DEC. axes allow for greater control in both locating and tracking objects. This telescope is one you can grow with over time as your observing interests expand. This Celestron FirstScope 90 EQ has all-glass components, coated optics, smooth functioning mounts, and a 90mm (3.5 inch) Aperture, 1000mm Focal Length, f/11. All original accessories are included plus a Moon Filter.