Check the listing for details. Laser Focus Lens D18mm USA CVD Znse MENISCUS For CO2 laser. Condition: New. Listed at 14.99 USD. Laser Focus Lens D18mm USA CVD Znse MENISCUS For CO2 laser Laser Focus Lens D18mm USA CVD Znse MENISCUS For CO2 laser High-Quality ZnSe Focus Lens for Powerful Laser Applications Introducing our premium ZnSe focus lens, meticulously crafted from the finest USA CVD ZnSe material, ensuring exceptional optical performance and durability. This lens is designed to meet the demanding requirements of high-power laser applications, delivering unparalleled precision and efficiency. Uncompromising Quality and Precision Precise Dimensions: Diameter tolerance of +0/-0.1mm, ensuring a perfect fit for your laser system. Accurate Wavelength: Optimized for 10.6um wavelength, enabling seamless integration with CO2 lasers. Thickness Tolerance: +0/+0.2mm, guaranteeing consistent optical performance. Superior Transmittance: Boasting an impressive 99.5% transmittance, minimizing laser energy loss. Focal Length Accuracy: Focal length tolerance of 90% clear aperture, maximizing light transmission. Surface Figure: