Phody Optics Co.,Ltd. could manufacture Achromatics Doublet Lenses The details of Achromatics Doublet Lenses as follow: Material:optical glass Size:1mm~100mm Focal Length:+/-4mm~+/-2000mm Surface Quality: 60-40,40/20 or 20/10 scratch and dig Centration:90% Chamfer 0.25mm at 45 degree typical Coating:AR coating or Customer design Phody Optics Co.,Ltd. is fully committed to designing and making all kinds of optical components for customer special use.