Meade Instruments 1205-05-03 LightBridge 12-Inch Truss Tube Dobsonian Telescope, Open Truss (Black) Item may ship in more than one box and may arrive separately Open truss tube design with new anti-reflection coatings on trusses and castings 12-inch aperture and a focal length of 1524-millimeters Focal ratio is f/5 Laminated base features roller bearings on the azimuth axis Comes with a 1-year limited warranty