Material: High-Quality CVD Znse,
Diameter: 12mm/0.47"; 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 CO4 laser engraving, cutting machine