CO2 Laser Focus Lens Dia. 20mm FL63.5mm for Laser Engraving Cutting Machine

Features: 100percent brand new and high quality. Replacement accessories for laser engravingcutting machine. Mounted in the laser head with the concave side facing down and the convex side facing up. Precision manufacturing, stable performance. high reliability. Easy to install and convenient to use. Specification: Material: ZnSe Diameter: 20mm Focal Length: 63.5mm Package l ist: 1 * Laser Focus Lens 100percent brand new and high quality. Replacement accessories for laser engravingcutting machine. Mounted in the laser head with the concave side facing down and the convex side facing up. Precision manufacturing, stable performance. high reliability. Easy to install and convenient to use.