![Zinc Selenide focus lens [1"/2"/2.5"/4"] for CO2 Laser Cutting & Engraving Machines](https://cdn.shopify.com/s/files/1/1366/0335/products/33.jpg?v=1638459700)
Zinc Selenide focus lens [1"/2"/2.5"/4"] for CO2 Laser Cutting & Engraving Machines
$60.00
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TECH SPECIFICATIONS Focal Length: 1.5", 2", 2.5", 4" Diameter: 20 / 25 mm Thickness: 2.5 / 3 mm Material: Zinc Selenide Light Transmittance: Up to 99.8% Max Power Capacity: 300W AR Coating Reflectivity: <0.3% Wavelength: 10.6 um Diameter Tolerance: (+-) 0.1mm Focus Length Tolerance: (+-) 3% HIGHLIGHTS * Its high transmittance increases the high temperature resistance. * Meniscus lenses reduce the spherical aberration increasing cutting and engraving precision. * Reinforced double-sided coating technology for a longer lifespan.
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