BLUETIMES CO2 CVD ZnSe Focus Lens Dia 12mm 15mm 18mm 20mm 22mm FL 38.1 50.8 63.5 76.2 101.6mm For Laser Engraving Cutting Machin

BLUETIMES CO2 CVD ZnSe Focus Lens Dia 12mm 15mm 18mm 20mm 22mm FL 38.1 50.8 63.5 76.2 101.6mm For Laser Engraving Cutting Machin

Aliexpress UK