ZnSe CO2 Laser Focus Lens 20mm Diameter With 63.5mm Focal Length For 40W To 200W Engraving And Cutting High Transmittance 99.8 Percent Premium ZnSe Material Replacement Part
✔️ 20mm diameter, 63.5mm focal length, high transmittance ≥99.8%
This premium ZnSe CO2 laser focus lens is a replacement optical element for CO2 laser engraving and cutting systems. Made from high-purity CVD ZnSe (US II-VI) with transmittance ≥99.8%, it’s designed to handle high power densities while maintaining a stable beam focus. Dimensions include a 20mm diameter and 63.5mm focal length, with a 2.0-2.2mm thickness. The lens features a double-sided solid coating for longer service life and reduced laser loss, and it is shaped plano-convex for consistent focusing.
| 直径 | 20 mm (0.79") |
| Focal Length | 63.5 mm (2.5") |
| 厚さ | 2.0-2.2 mm (0.08") |
| Transmittance | ≥99.8% |
| 素材 | CVD ZnSe (US II-VI) |
| Lens Shape | Plano-convex |
| コーティング | Double-sided solid coating |
| Power Range | 40W-200W CO2 laser |
✅ Diameter: 20mm (0.79")
✅ Focal length: 63.5mm (2.5")
✅ Thickness: 2.0-2.2mm (0.08")
✅ Transmittance: ≥99.8%
✅ Material: CVD ZnSe (US II-VI)
✅ Coating: double-sided solid coating
✅ Shape: Plano-convex
✅ Power range: 40W-200W CO2 laser
✅ Usage: replacement lens for CO2 engraving/cutting
💡 What is a ZnSe CO2 laser focus lens used for in CO2 laser systems? This handy optic concentrates the beam for precise engraving and cutting, improving edge quality and consistency. - handy focus optic for CO2 laser engraving and cutting - concentrates laser energy at the focal point for clean results - durable ZnSe with high transmittance and double-sided coating