SenTECH Focal Lens CO2 Diam 18mm FL 2.5" (2.5"/63.5mm) for Engraving Cutting Machine and Laser

[DIAMETER]: 18mm Focal length: 2.5"/63.5mmmm [THICKNESS]: approximate 2mm [HIGH PRECISION TECHONOLOGY]: Polishing, grinding processes, high temperature resistence [GOOD TRANSMITTANCE]: High quality material and exquisite coating can reduce laser loss and laser transmittance up to 99, 6%, which improves drastically the cutting speed [APPLICATION]: CO2 laser focal lens are used in laser processing like laser cutting, drilling, welding, engraving and various laser systems, Weight: 0.0440924524 pounds, Manufacturer: Axanna