VYOpticsPhotoelectricTechnologyCo.,Ltd.offersalltypesofwindowsmadefromdifferentmaterials.Specialsizeandmaterialsarealso***ailableuponrequest.Inaddition,weprovideavarietyofsinglelayerormultiplayeranti-reflectingcoatingonopticalwindows.Specificationofouropticalwindowsasfollow:*Material:BK7orothermaterials*Lengthtolerance:+/-0.01*Widthtolerance:+/-0.01*Centerthicknesstolerance:0.005mm*Surfacequality:80-50to10-5Scratch/Dig*Surfaceflatness:<lambdatolambda/20*Paralleli***<=1min--2sec*ClearApenture:80%--100%)