II-VI INFRARED CVD ZnSe Focus Lens CO2 Laser Cutting Machine Spare Parts Dia.19.05mm F38.1mm 50.8 63.5mm 76.2 Focusing Lens

II-VI INFRARED CVD ZnSe Focus Lens CO2 Laser Cutting Machine Spare Parts Dia.19.05mm F38.1mm 50.8 63.5mm 76.2 Focusing Lens