Optics & Allied Engg. Pvt. Ltd. Manufactures varying range of lenses which includes lenses like Plano convex, bi-convex, plano-concave, bi-concave, menscus, achromates, triplets, hasting triplets [10x], Rod lenses, Aspheric lenses, fresnel lenses, cylindrical lenses and ball lenses. Optics & Allied Engg. Pvt. Ltd. Is an ISO 9001-2000 certified company. Optics & Allied Engg. Pvt. Ltd. Manufactures varying range of lenses by using materials like quartz, fused silica, BK7, Pyrex, borofloat and B270 optical crown glass. These lenses are also manufactured in acrylic and are poly carbonated by the moulding process.