... laser cutting machine is offline control system, Double open door, English LCD, USB interface, Water protection system, support CAD and CorelDraw output ... ZnSe focus lens provide slighter light wane and finer focus.8. Seamlessly compatible to such image processing softwares as AutoCAD, ... Communication cable 7>3 Reflect optics (installed in the machine) 8>1 Focus optics (installed in the machine) 9>1 ...