Specifications

1) optical glass (borosilicate) material
2) above 94% light transmittance
3) high temperature resistance
4) clear

Material: optical glass (Borosilicate,K9 and so on) Up to 96% transmittance size: diameter-5mm,height-2.8mm packing and weight :  5 piece /carton box  Processing: by design, molding, grinding, polishing, inspection, testing and so on Inside quality: clear and transparent, no mould marks, no inside bubble and dirts We can make the lens according to your drawing