Specifications

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

                                           glass lens plano-convex 74mm  (G-D74)

 

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

 

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

 

3) size  :  

 

 

 GT-D74 SIZE for reference

 

outer diameter	inner diameter	height	edge thickness
75mm	69.3mm	23.4mm	3.8mm

 

    

    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  and samples

 

4) main feature

 

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

 

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