Known working TIR optics that fit S2 AND S2+ from Fasttech?

[Otanacious]

@alexvh

Those look interesting. They also have some elliptical ones that could be good for a bike light.

Already ahead of you ;) In an Eagle Eye X2, which is a 1:1 carbon copy of the S2+.

http://imgur.com/a/7s5fe/embed#0