High quality 18mm GaAs focus lens for laser tube as high as 150Watt
Better quality means 15~20% more power than the others!
Diameter: 18mm
Type: Focus Lens (imported)
Base: GaAs
Focus: 50.8mm
Suggestion max power: 120W
Laser type: 10600nm CO2
Note: GaAs is incapable to pass red beam laser.