High Power ZnSe Focus Lenses: 12mm to 28mm in diameter, Focal Length from 3.8cm 1.2cm(12mmx2in)

Made with Zinc Selenide (ZnSe) material, these lenses achieve exceptional light transmission of up to 99.8%, perfect for high power optical welding applications. Designed with a robust double-sided coating that minimizes stray optical light, improving durability and ensuring long-lasting performance in demanding environments. Available in various diameters (12mm to 28mm) and focal lengths (1.5" to 5"), these lenses fit a wide range of project specifications; Please verify compatibility before ordering. User-friendly installation process: just make sure the convex surface faces up and adjust the cylinder to achieve optimal positioning and achieve superior optical results. Each package includes a lens, designed to enhance the capabilities of your optical welding machine and provide precise focus for all your welding projects.