... meet various application requirements. Spherical Lens types include Fused Silica and other optical glasses, Plano-Convex, Plano-Concave, Bi-Convex, Bi-Concave ... sets .Applied in: display system, projection system, laser measurement, optical imaging, light control, and others Other types : ModelDiameterFocal LengthStructureMaterialmminchmminchFM-D12 F5012/12.70 ...