High quality 18mm GaAs Focus lens (F50.8mm)

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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.