LED collimator lens Material:PMMA Transmittance:93% Diameter:35.8mm Beam angle:15 degrees LED LensDetailed Product Description KEY-MR16-15 plane lens,led lens,optical lens diameter:35.75mmmaterial:PMMAsuitable for flashlight,spotlight,wash wall light,floodlight,downlight,camera casesuitable for LUXEN led,Edison led,Seoul led and so on have got ROHS certification