1,Material:optical glass 2,Good dispersion effect 3,Used in stage light gains good stage effect 1,Production procedure2,Specifications Dia*Angle44.8*14°46.8*15°47*15°47*14°47*17°47*23°47*25°51.8*15°54*15°54*16°63*27°3, ApplicationsStage lighting, LED lighting, such as moving head