At Shanghai Optics we produce biconvex or double convex lenses with K9 borosilicate crown glass, BK7 Schott glass, quartz, sapphire, fused silica, CaF2, ZnSe, and germanium substrates. Each of our ...

BK7 K9 Glass Plano Convex Optical Single Lens: Optical Lenses are optical components designed to focus or diverge light, widely applicated from microscopy to laser processing. A Plano-Convex or Double ...

which is usually manufactured out of glass or another transparent material, is to make a curved surface. These lenses are either convex - converging light, which magnifies an object, or concave ...