20mm CO2 Laser Focusing Lens ZnSe CVD Meniscus Lens For CO2 Engraving And Cutting Machines, 50.8mm Focal Length, 2mm Thick, Built For 40W To 200W Lasers, High Transmittance Over 99.5 Percent, Double Sided Coating For Long Life

ZnSe 20mm CO2 Lens, single lens for engraving and cutting
✔️ 50.8mm focal length, 2mm thick ZnSe meniscus lens, 40-200W

This high-quality ZnSe CO2 laser focusing lens is designed for CO2 engraving and cutting machines. It features a 20mm diameter, a 50.8mm focal length (2"), thickness 2mm (0.07"), and is built to handle 40-200W lasers. The double-sided coating provides long life with transmittance ≥99.5%.

✅ 20mm diameter ZnSe lens, transmittance ≥99.5%
✅ 50.8mm focal length, 2mm thickness, meniscus shape
✅ Double-sided coating for long life and wipe resistance
✅ Package includes: 1 x Lens

💡 What is a CO2 laser focusing lens used for in engraving and cutting applications?

It's handy for concentrating the light and delivering a clean, precise focal spot in CO2 laser systems.

- Concentrates the beam for sharper cuts and finer engravings - Improves beam stability and reduces energy waste - Protects laser optics by minimizing stray reflections - Works with 40-200W CO2 laser tubes