High-Power ZnSe Focusing Lenses - 12mm to 28mm Diameter, 38.1mm 127mm Focal Length(20mmx76.2mm)

Crafted from Zinc Selenide (ZnSe) material, these lenses achieve an exceptional light transmittance of up to 99.8%, perfect for high-power optical welding applications. Engineered with a robust double-sided coating that minimizes optical stray light, enhancing durability and ensuring long-lasting performance in demanding environments. Available in various diameters (12mm to 28mm) and focal lengths (38.1mm to 127mm), these lenses cater to a wide range of project specifications; please verify compatibility before ordering. User-friendly installation process: simply ensure the convex surface faces upwards and fine-tune the barrel for optimal positioning to achieve superior optical results. Each pack includes one lens, devised to enhance your optical welding machine's capabilities and deliver precise focusing for all your welding projects.