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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
Supported languages: English
1: Cool the laser head and blow away the residue from the lens
摇动立柱手柄，当红点重合时，即为焦距。
high efficiency Time-saving and stable Anti-shake
packaging bottles
Hunst China CO2 ZnSe Focus Lens Dia.12 18 19.05 20mm FL38.1 50.8 63.5mm for Laser Engraving Cutting Machine Spare Parts $100 - $400 Supported languages: EnglishHigh quality ZnSe crystal: China PVD ZnSe material, Excellent optical properties, Up to 200W CO2 laser resistance. Superb coating process: Double sided solid coating, reduces laser loss, laser transmittance up to 99. 8%High precision process: Eccellent substrate Precise sling, polishing grinding processes, high temperature, laser resistance. 1. Use an air bulb to blow off any loose contaminants.(dust,lint particles) 2. Squeeze a few drops of acetone
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