led flashlight lens (GT-D28-5-1)

Specifications

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

                                                                    led flashlight lens  (GT-D28-5-1)

 

1)material: optical glass(borosilicate),K9,BK7,B270

 

2) light transmittance: 95%( coated lens can up to 97%)

 

3) size :

 

4) structure: plano-convex

 

5) shape: aspheric

 

6) main feature

 

a:  clear and transparent, no mould markd,no inside bubble and dirts

 

b:  can match up all kinds of different high power led ,uniform facula,no collapsar,shadow and dark

  

c:adopt high precisy aspheric design and superior optical glass, strictly perform ROHS environmental standard

 

7) application range: suitable for downlight and other led lighting.