... lens. optical coater can be put 3 arc-shaped pieces of sectors or single arc-shaped part. It can coat multi-layers ... source2 groups resistance evaporation, single power source, power: 5WE-beam,high pressure, adjustable, 6KV-10KV,power: 6KWIon sourceKerr source,double filament ... ,plastic productsRemarkCan be designed according to customers request Optical Vacuum Coating Machine for lens