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CNCOLETECH CO2 Laser Lens Dia:12mm FL:1.5" or 38.1mm Laser Mirror CVD ZnSe Focus Focal Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W
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Amazon.com: Cloudray GaAs Focus Lens Dia. 20mm (0.79") FL 63.5mm (2.5") for CO2 Laser Engraver Cutter
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