【High quality Material】High quality USA CVD ZnSe cystal resistant to high temperature, excellent optical properties，up to 180W CO2 laser resistance.
【High Transmittance】High quality material and both sides strongly antireflective coating achieve a 99.9% Laser Transmittance rate, 10% Higher Work Efficiency.
【Lasting Durability】This focus lens with superb double-sided solid coating,wiping resistance, longer working life.
【Wide Compatibility】This 12mm laser focus lens can be used in your 30w-180w CO2 laser engraving and cutting machine for more accurate and efficient production.
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