Features: GaAs focus lens is black and green overall. It has higher hardness and is often used in high-splash environments. Compared to Znse Focus Lens, it has a finer focus point during the cutting process. it is also more durable, and the surface coating is not easy to peel off. Specifications: Material: GaAs Wavelength: 10.6 um (10600 nm) Laser Power: 100-200W Diameter: 18/19.05/20mm Diameter tolerance: ±1.3mm Focal Length: 38.1/50.8/63.5/76.2/101.6mm Focal Length tolerance: ±2% Transmittance: 99.5% Clear aperture: >90% Warranty: 1 Year Package: 1 x GaAs Focus Lens
