... groups resistance evaporation, single power source, power: 5WE-beam,high pressure, adjustable, 6KV-10KV,power: 6KWIon sourceKerr source,double filament,power: 2KWFilm thickness controllerMDC ... -300, 2X-70Total / average power35KW/25KWUsed forOptical lens, glass products, ornaments, lamps,plastic productsRemarkCan be designed according to customers request Optical Vacuum Coating Machine for lens