Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter

Brand: CloudrayColor: Diameter 20mm(0.79 Inch)Features: Material: High Quality CVD Znse,compatible power: 40W-200W Diameter: 20mm/0.71"; Focal Length:50.8mm/2"; Thickness: 2mm/0.07" Shape: Meniscus; Transmittance: ≥99.5%;Package includes: 1 x Lens Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life Usage: CO2 Laser Lens for CO28 laser engraving, cutting machine Binding: Tools & Home Improvementmodel number: CVD ZnSe D20 F50.8 ET2 (Meniscus)Part Number: USFL05D20F50Details: Feature:CVD ZnSe Imported From USA, High Quality Material Make Sure the Steady of Laser System.The CO2 Laser Transmittance of Lens can is more than 99.5% with Excellent Transparency.Excellent High-Power Density Endurance.Firm Surface Membrane. High Durabilityand Great Scratch Resistance.Focusing Spot Size more Smaller. Note: In general,a laser machine needs 1 pies of focusing lens and 3 reflective mirrors.CO2 Laser Mirrors Purchase ASIN: B07B8YZLCP or B07BJHL3Y4CO2 Laser Head Purchase ASIN: B07BGTWRY1Specification:Material:USA CVD ZnSeWavelength:10.6umTransmittance:99.5%Clear Aperture>90%AR/AR coating R<0.5% per surfaceDiameter tolerance:+0/-0.1mmThickness tolerance:+0/+0.2mmFL Tolerance<±2%Surface Figure<λ/2 per 1"DiaSurface Quality 40-20scratch and digThe difference between USA ZnSe and China PVD:The China ZnSe can withstand less than 100W Laser power. While USA material can withstand higher power up to 200W.And USA ZnSe has better focusing spot and better laser transmittance than China matierial.Packing List:Focus Lens USA x1pcsEAN: 0661021765134Package Dimensions: 3.9 x 3.3 x 2.0 inches