Material: High Quality PVD Znse,compatible power: 30W-100W
•Diameter: 18mm/0.71 inch; Focal Length: 50.8mm/2 inch; Thickness: 2.4mm/0.09 inch
•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 CO2 laser engraving, cutting machine