This is the Stellarvue, 80MM, F6 (480MM Focal Length), refractor mounted on a Meade al/az mount (a good combination). It has a 1-1/4" focuser (does not restrict aperature), the sturdier black tube model. Excellent quality both optically and mechanically. Includes 6 x 30MM focuser, mirror diagnal, 25MM Meade MA eyepice, and a 9MM Stellarvue Plossl. $375 plus $30 if shipped in Cont USA. Prefer exchange in Houston area.