What is the 4K Turret lens and IR cover made of?

[DigitalPixel]

What is the lens and IR cover on the IP8M-T2499EW made of? Is it glass or plastic?

[Revo2Maxx]

I don't have that camera. I do have one that looks like it. While that one your asking about is IP67 rated and the one I have is Ip66 rated and mine is Glass. Then under the glass is the Lens and the Plastic IR cover... So while I haven't touched the one your asking about my guess would be that it is glass as well..