... range of Spherical Lenses to meet various application requirements. Spherical Lens types include Fused Silica and other optical glasses, Plano-Convex ... -Convex, Bi-Concave, meniscus, achromats, and lens sets .Applied in: display system, projection system, laser measurement, optical imaging, light control, and others ... ΔN=0.3coatingAR @10.6um ≤0.2% 15mm ZnSe focus lens