27.94mm (1.1") ZnSe Focus Lens – 95.2mm (3.75") Focal Length – 2.8mm Edge Thickness for CO₂ Lasers

27.94mm (1.1") ZnSe Focus Lens – 95.2mm (3.75") Focal Length – 2.8mm Edge Thickness for CO₂ Lasers Enhance the performance of your CO₂ laser with the American Photonics 27.94mm ZnSe Focus Lens, precision engineered for exceptional beam quality, clean cutting edges, and sharp engraving detail. Featuring a 1.1" (27.94mm) diameter, 3.75" (95.2mm) focal length, and 2.8mm edge thickness, this premium laser-grade Zinc Selenide (ZnSe) lens is optimized for 10.6µm CO₂ laser systems. Designed for industrial and OEM laser applications, this lens delivers excellent optical transmission, superior thermal stability, and consistent performance in demanding engraving and cutting environments. Key Features Premium laser-grade ZnSe (Zinc Selenide) Optimized for 10.6µm CO₂ lasers 27.94mm (1.1") diameter 3.75" (95.2mm) focal length 2.8mm edge thickness Dual-sided anti-reflective (AR) coating Excellent beam transmission for cleaner cuts and finer engraving Suitable for industrial and OEM laser systems Product Specifications Specification Value Material Laser Grade ZnSe Lens Type Focus Lens Diameter 27.94mm (1.1") Focal Length 3.75" (95.2mm) Edge Thickness 2.8mm (0.110") Wavelength 10.6µm Coating Dual-Sided Anti-Reflective (AR) Application CO₂ Laser Engraving & Cutting Applications Ideal for: CO₂ laser cutting Laser engraving Industrial manufacturing Acrylic processing Wood engraving Plastic cutting Leather engraving Sign making Frequently Asked Questions What is the advantage of a 3.75" focal length lens? A 3.75" focal length provides a longer depth of focus, making it well suited for cutting thicker materials while maintaining excellent edge quality. Is this lens compatible with my laser machine? This lens fits machines designed for 27.94mm (1.1") diameter optics. Verify your lens diameter, focal length, and edge thickness before ordering. What material is this lens made from? The lens is manufactured from premium laser-grade Zinc Selenide (ZnSe) for outstanding infrared transmission and durability. Can this lens be used for engraving and cutting? Yes. The 3.75" focal length offers an excellent balance for engraving and cutting, especially when processing thicker materials. Where is this lens manufactured? American Photonics manufactures premium laser optics in the USA using precision manufacturing processes for consistent quality and performance. Approved by OEMs Manufactured by automated CNC technology 100% made in USA. Disclaimer: All parts advertised for sale are made by or for American Photonics. Amada(R), Bystronic(R), Cincinnati(R), Mazak(R), Mitsubishi(R), Laserlab(R), Laserdyne Prima(R), Precitec(R), Strippit(R), Trumpf®(R)and any other trademarks not owned by APC are registered trademarks of the respective owners with which they are associated. APC is an independent site and company that is not affiliated with above-named manufacturers and the use of the names, trademarks and part numbers is for reference, identification and compatibility purposes only.