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GaAs Focus Lens Diameter 18-25mm for CO2 Laser Engraving Cutting Machine
The GaAs lens is black and green overall, single crystal military grade material, durable and high temperature resistant. The focus point is fine, the carving line is thin and deep, and the surface coating is not easy to fall off.
Suitable for 130-150W high-power machines, suitable for laser cutter machines.