OMTech18mm ZnSe Focus Lens, CVD ZnSe Focal Lens with 2 Inch Focal Length, 2" FL Zinc Selenium Replacement Focus Lens for 50-80W Laser Cutter and Engraver Machines, 99.5+ Transmittance

OMTech 18mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2 Inch Focal Length, 2" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser Engraving Machines, 99.5+ Transmittance

OMTech Laser Cutting Mirror Set, 25mm Gold Coated Silicon Replacement Mirrors for CO2 Laser Engraving Machines, 3mm High Transmittance Si Mirrors for 50W to 200W Laser Engravers, Set of 3

Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 18mm FL50.8mm