... glass lens 2) Apply for 10W, 20W, 30W cob led 3) Optical angle: 60*120 degree 4) Made ... be classified into five series such as: high power led led, projector lens, automobile lens, street light lens and ... the second stage of led application lens.We adopt borosilicate glass as material, ... I will reply you within 24 hours. LED street light glass lens for 10W-30W led chip (GT-57NA)