Material BK7 Grade A optical glass Dimension Tolerance +/-0.2mm Beam Deviation Up to 30 arc seconds Angle Tolerance Up to 5 arc seconds Flatness Up to ¦Ë/4 @633nm Surface Quality 60/40 scratch and dig Chamfer 0.3mm+/-0.1mm Coating AR coating available
Add:No.516,ShenZhen Street 1-1,Economic and Technology Development Zone,ChangChun 130031,JiLin,China