QDLASER China PVD CO2 ZnSe Focus Lens Dia.18 19.05 20 mm FL38.1 50.8 63.5 101.6 127mm 1.5-4" for Laser Engraving Cutting Machine

QDLASER China PVD CO2 ZnSe Focus Lens Dia.18 19.05 20 mm FL38.1 50.8 63.5 101.6 127mm 1.5-4" for Laser Engraving Cutting Machine

Aliexpress UK