Modified Telescope Meade LX 200 Schmidt-Cassegrain system Inboard observatory 450mm diameter primary mirror Alt-azimuthal mount Auto-guidance, gps and other fun that can be found in the real model was simulated for himself in 2006, refinement of materials in 2014 Dimensions : 845 x 2400 mm Analogue http://www.telescopeplanet.co.uk/meade-lx200-acf-gps/20168