LONGER Nano 6W LasergraverLonger Nano laser engraver (6 W) The Longer Nano engraver combines a galvo system with a 450 nm diode with an optical power of 6 W, achieving speeds of up to 5000 mm s with an accuracy of 0. 05 mm a speed typical for galvo engravers, but enclosed in a design created for portability and mobile work. A resolution of 3. 3K and a spot size of 0. 05 0. 05 mm allow you to maintain the legibility of fine details even at high beam speeds. The 100 100 mm