Premium B270 optical glass ensures superior performance with excellent mechanical properties and low bubble impurities. Precision-engineered with a diameter of 10mm and a focal length of 8mm, providing high accuracy for various optical applications. Features a radius of curvature of 8.19mm and edge thickness of 2mm, ensuring optimal light transmission and minimal distortion. No special polishing treatment required due to stable chemical properties, including resistance to hydrolysis, acids, and alkalis. Ideal for use in optoelectronics, microwave technology, and diffractive optical elements, making it versatile for multiple applications.