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

Model	diameter	clear aperture	height	edge thickness
GT-D33	33.75mm	31	7.22mm	3mm
GT-D33.9	33.9mm	28.2	11.1mm	3.6mm

• 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