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Cloudray CO2 Laser Focus Lens USA Dia. 20mm FL 63.5mm for CO2 Laser Engraver Cutter
Product ID : 37537266
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Galleon Product ID
37537266
₱
2,483
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About Cloudray CO2 Laser Focus Lens USA Dia. 20mm FL
Material: China PVD ZnSe (Max 100W)Diameter: 18, 19.05, 20 mmFocal Length: 1.5"(38.1mm) 2"(50.8mm) 2.5"(63.5mm) 3"(76.2mm) 4"(101.6mm) 5"(127mm)Transmittance: 99.5%AR Coating Reflectivity < 0.3%Wavelength: 10.6 umDiameter Tolerance: +0/-0.1 mmFocal Length Tolerance: ± 2%Clear Aperture (Polished) > 90%Scratch-Dig: 20-10How to Determine Focal Length?The Focal Length is the Distance Between the Lens and the Cutting/Engrave Material.Make Sure the Focusing Lens: Convex Face to Laser; Concave Face to Material.How to Clean Laser Lens and Mirrors?Check Main PictureLens Cleaning Swabs are Available:https://www.amazon.com/dp/B07B3N7HM4
