(1) Item number: KL-HB78-50S
(2) Dimension: Diameter:78mm,Height:40mm, Edge thickness:4mm
(3)Angle:50degree
(4)Raw materials: optical glass(borosilicate glass),K9,BK7,B270.
(5)Rafractive index:1.474
(6)Working Temperature: -50~550 degree
Optical simulation and Light pattern
Accessory: Glass lens with silicone gasket and Aluminum holder
Application: widely used on Led high bay light.