Do EG2s come with an extra lense?

[Shr3dE]

I can't figure out if they do come with an extra lense. Also what is the difference between the blue silver chrome and the grey silver chrome lense?

 

[ButterItOut]

no, and the blue is just tinted in the inside more blue.

 

[StoneFacedBuddha]

No, but they're worth it.