ZnSe Focusing Lenses for Optical Welding Machines - 12mm to 28mm Diameter, 38.1mm 127mm Focal Length(25mmx76.2mm)

Crafted from zinc selenide (ZnSe) crystal, these lenses boast an impressive light transmittance of up to 99.8%, ensuring optimal performance in high-power applications. Featuring a double-sided coating process that minimizes optical stray light, enhancing clarity and extending the lens's lifespan, making it resistant to wear and tear. devised for precision, the lenses require careful installation with the convex surface facing upwards; fine-tuning is essential for achieving the best optical results. Available in various diameters (12mm to 28mm) and focal lengths (38.1mm to 127mm), allowing you to select the perfect fit for your specific project requirements. Each pack contains one lens, making it a reliable choice for professionals seeking and precision in optical welding applications.