Edmund Optics Inc. UV Fused Silica Aspheric Lens 50mm Dia 0.42 NA, NIR Coated NT67-283

Low f/#s for Optimum Light Gathering Low Coefficient of Thermal Expansion Prescription Information Available TECHSPEC® Precision Aspheric Fused Silica Lenses offer the benefits of an aspheric element combined with the manufacturing precision of state-of-the-art grinding and polishing equipment. With the available prescription data, these fused silica optics can be easily designed and integrated into complex optical systems. Featuring low f/#s for optimum light gathering and focusing performance, these fused silica lenses are computer optimized to eliminate spherical and minimize higher order aberrations. UV fused silica optics substrate offers a low coefficient of thermal expansion.