产品信息:(Product Information) 型号:(Model NO)HILL-20-红外透镜(4MM镜头) 直径:(Dimension)21.76mm(含支架) 高度:(Height) 13.85mm(含支架) 孔径:(Aperture) 7.9mm(支架孔径) 角度:(LED lens angle) 6MM镜头/8MM镜头/12MM镜头/16MM镜头/25MM镜头 材料:光学级PMMA(Lens material: optical grade PMMA) 透光率:93% (Lens transmittance: 93%) 耐温:-35度+90度(Temperature: -35°to +90°) SGS/ROHS环保证 (Certificates: SGS ,ROHS) 匹配LED:流明,汉半,艾笛森等(Suitable for Luxeon,Seoul,Edison)