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Amazon.com: Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 20mm FL38.1mm : Arts, Crafts & Sewing
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Amazon.com: Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 18mm FL38.1mm : Arts, Crafts & Sewing
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CO2 laser focus lenses… and Laser head size… does size matter - Community Laser Talk - LightBurn Software Forum
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