Sky-Watcher Flextube 400P SynScan GoTo Collapsible Dobsonian Telescope

  Large 406mm aperture delivers dazzling views, 1800mm focal length, f/4.4 focal ratio Built-in Wi-Fi telescope control Innovative collapsible design for portability, storage, and back focus for astrophotography all while retaining collimation 3257x more light-gathering power than the human eye Patented Freedom Find™ technology uses dual encoders to allow manual control while retaining alignment Patented tension control handle allows for precise slewing and maximum stability Parabolic primary mirror with Radiant™ Aluminum Quartz (RAQ™) coating for 94% light reflectivity Heavy-duty rocker box with Teflon™ bearings provide a stable base with smooth motion 2-inch dual-speed Crayford-style focuser with 1.25-inch adapter allows for use of nearly any eyepiece 9x50 straight-through finderscope, 10 and 25mm 4-element 1.25-inch Plössl eyepieces, and SynScan hand controller with 42,000+ object database included Sky-Watcher’s Flextube SynScan GoTo Collapsible Dobsonian series are the telescopes