{"product_id":"znse-co2-laser-focus-lens-20mm-diameter-with-635mm","title":"ZnSe CO2 Laser Focus Lens 20mm Diameter With 63.5mm Focal Length For 40W To 200W Engraving And Cutting High Transmittance 99.8 Percent Premium ZnSe Material Replacement Part","description":"\u003cdiv\u003eZnSe CO2 Laser Focus Lens, 20mm Dia, 63.5mm Focal, 1 pc\u003cbr\u003e\n✔️ 20mm diameter, 63.5mm focal length, high transmittance ≥99.8%  \u003cp\u003eThis premium ZnSe CO2 laser focus lens is a replacement optical element for CO2 laser engraving and cutting systems. Made from high-purity CVD ZnSe (US II-VI) with transmittance ≥99.8%, it’s designed to handle high power densities while maintaining a stable beam focus. Dimensions include a 20mm diameter and 63.5mm focal length, with a 2.0-2.2mm thickness. The lens features a double-sided solid coating for longer service life and reduced laser loss, and it is shaped plano-convex for consistent focusing. \u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e20 mm (0.79\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e63.5 mm (2.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e2.0-2.2 mm (0.08\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmittance\u003c\/td\u003e\n\u003ctd\u003e≥99.8%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCVD ZnSe (US II-VI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Shape\u003c\/td\u003e\n\u003ctd\u003ePlano-convex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eDouble-sided solid coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Range\u003c\/td\u003e\n\u003ctd\u003e40W-200W CO2 laser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e \u003cp\u003e✅ Diameter: 20mm (0.79\") \u003cbr\u003e\n✅ Focal length: 63.5mm (2.5\") \u003cbr\u003e\n✅ Thickness: 2.0-2.2mm (0.08\") \u003cbr\u003e\n✅ Transmittance: ≥99.8% \u003cbr\u003e\n✅ Material: CVD ZnSe (US II-VI) \u003cbr\u003e\n✅ Coating: double-sided solid coating \u003cbr\u003e\n✅ Shape: Plano-convex \u003cbr\u003e\n✅ Power range: 40W-200W CO2 laser \u003cbr\u003e\n✅ Usage: replacement lens for CO2 engraving\/cutting \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a ZnSe CO2 laser focus lens used for in CO2 laser systems?\nThis handy optic concentrates the beam for precise engraving and cutting, improving edge quality and consistency.\n- handy focus optic for CO2 laser engraving and cutting\n- concentrates laser energy at the focal point for clean results\n- durable ZnSe with high transmittance and double-sided coating\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404792688959,"sku":"VXB01DP2HGYM","price":114.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/51ZDozGaycL.jpg?v=1776654184","url":"https:\/\/bearingscanada.com\/products\/znse-co2-laser-focus-lens-20mm-diameter-with-635mm","provider":"Bearings Canada","version":"1.0","type":"link"}