Wesupplyopticallensforopticalinstrument.Mainopticallensesincludeopticalcylindricallens,opticalsphericallens,opticalasphericallens,opticalpri***,opticalfilterlens,opticalgrating,opticalwindows,opticalmirror,opticalcomponents,cameralens,fisheyelens,wideanglelens,telephotolens,projectorlens,adapterring,adaptertube,customlens,OEMetc..Specificationofouropticallensasfollow:*MaterialBK7orotheropticalmaterials*DimensionTolerance+0.0---0.1mm*CenterThickness+/-0.1mm*FocalLengthTolerance+/-1%*SurfaceQuality:20/10*SurfaceFigurelambda/2at633nmonplanoside*ClearAperture>90%*Chamfer0.25mmat45degreetypical*CoatingOptional)