Axrayser CO2 Focusing Lens USA CVD China PVD ZnSe Dia.15 18 19.05 FL38.1 50.8 63.5 for CO2 Laser Engraving Cutting Machine
Wavelength: 1064nm(900-1100nm) For CO2 LaserTransmittance: >95%Model: Diameter:12/15/18/19.05mmMaterial:Quartz Fused Silica