CGX-L Computerized MountIncreased 75 lb load capacity. Exceptional load capacity to weight ratio Additional Aux accessory ports and autoguider port on the Dec axis for better cable management Larger 144 mm diameter worm wheels to better and more accurately drive heavier loads Longer 270 mm dovetail saddle to better support larger optical tubes Massive 70 mm stainless steel tripod legs with a wider stance for improved stability under heavy loads New accessory tray holds three