ThematerialofgooglecardboardlensesisPMMAorsomeequivalentmaterial,Googlecardboardlensesismanufacturedwithanidenticalconvexsurfaceonbothsides.ItisusedforGooglecarboard3Dglasses.Thegooglecardboardlensesh***epositivefocallengthandformbothrealandvirtualimages.WecanmanufactureallkindsofGooglecarboardlenses,with3sideflapsornotatdifferentdimensi***.Specificati***asfollows:1.Material:opticalPMMAorequivalent2.Diameter:25mm,34mm,37mmorasrequest3.Focallength:45mm4.centerthickness:5mmorasrequest5.Dimensiontolerance:&plu***n;0.1mm6.ToleranceCenterthickness:&plu***n;0.1mm7.Paraxialfocallength:&plu***n;2%8.Tran***ission:93%Anyotherdimensi***is***ailable,wecancustomthelensesasperyourrequest.Welcomeinquiry.)