Celestron Advanced VX 6" Newtonian Advanced VX Computerized German Equatorial Mount - 20mm 1.25" Eyepiece - Tripod - NexStar+ Hand Control (EQ) - 2-Year USA Warranty Optical Design: Newtonian Reflector Aperture (mm): 150 mm (5.91 in) Telescope Type: Computerized (GOTO) Focal Length: 750 mm (30 in)