提供定制加工各种类型柱面镜 电话：0431-84688875邮箱：export@csopt.com*MaterialBK7orotheropticalmaterials*DimensionTolerance+0.0---0.1mm*CenterThickness+/-0.1mm*FocalLengthTolerance+/-1%*SurfaceQuality:20/10*SurfaceFigurelambda/2at633nmonplanoside*ClearAperture 90%*Chamfer0.25mmat45degreetypical*CoatingOptional