Zinc Selenide machine Focusing Lens - 10.6um Wavelength, Compatible with Various Systems(D20/F25.4mm)

Crafted from premium PVD zinc selenide materials, this machine focusing lens delivers exceptional performance with a smaller focused spot and higher power tolerance. Features a anti-reflection coating that achieves over 99% transmittance at a 10.6um wavelength, maximizing machine efficiency and precision for your engraving and cutting tasks. Double-sided anti-reflection film plating and cylindrical polishing minimize stray light, significantly enhancing the overall optical of your machine system for superior results. devised with precise tolerances: focal length ±1%, profile tolerance +0.0/-0.1mm, and thickness tolerance ±0.1mm, ensuring reliable and consistent performance in every application. Easy to install and maintain: simply mount the convex side upward and ensure proper cooling to prevent overheating, ensuring long-lasting use and optimal functionality.