Pro Grade 18mm CO2 Laser Focusing Lens For 30W To 100W CO2 Machines ZnSe PVD Coated High Transmittance 99 Percent Meniscus Lens 50.8mm Focal Length 2.4mm Thick Cloudray Compatible

18mm ZnSe CO2 focusing lens for 30-100W lasers
✔️ 18 mm dia, ZnSe, PVD-coated, 50.8 mm focal length, ≥99.5% transmittance

This premium ZnSe focusing lens is designed for CO2 laser engraving and cutting machines. It concentrates the beam for sharp, precise results and fits standard 18 mm optical housings used in many 30-100W CO2 systems.

✅ Diameter: 18 mm (0.71")
✅ Focal Length: 50.8 mm (2.00")
✅ Thickness: 2.4 mm (0.09")
✅ Material: ZnSe
✅ Coating: PVD double-sided
✅ Transmittance: ≥99.5%
✅ Shape: Meniscus
✅ Compatible Power: 30-100 W
✅ Package: 1 x Lens

💡 What is a CO2 laser focusing lens used for and why is ZnSe coating important?

Handy for delivering sharp focus and reliable transmission in CO2 engraving and cutting tasks.

- Improves focal accuracy for precise cuts and fine engraving - ZnSe coating boosts transmission and resistance to coating wear - Compatible with standard 18 mm optics in many 30-100 W machines - Helps reduce heat buildup and extends lens life