Skywatcher ESPRIT 70EDX TripletAPO Refractor - ALLOW 48-72 hours to be dispatchedALLOW 48 72 hours to be dispatched The Sky Watcher 70mm Esprit 70EDX Triplet APO Refractor is a professional instrument for the most demanding and exacting astrophotographers. The air spaced apochromatic triplet lenses have exceptional colour correction over the entire visible spectrum there is no chromatic aberration even on bright objects! Knife edge baffles reduce internal reflections and increase contrast, helping to bring out faint structure in