Monport 12mm Focus Lens for Reno CO2 Laser Engraver

Product Specifications: Material: High-Quality CVD ZnSe Diameter: 12mm (0.47") Focal Length: 50.8mm (2") Thickness: 2mm (0.07") Shape: Meniscus Transmittance: ≥99.5% Quantity: 1 piece Features: Superb Coating Process: Double-sided solid coating Wiping resistance for long working life High transmittance for optimal laser power delivery Maintenance Recommendation: For best results, we recommend replacing your focus lens every 3-6 months depending on usage frequency. Regular replacement maintains cutting quality, engraving precision, and extends the life of your laser machine. ⚠️ Important Notice Focus lenses are consumable parts and are non-returnable and non-exchangeable once sold.