Talk:Focus/@comment-71.220.229.19-20151207043332/@comment-192.76.8.1-20151207064144

I haven't tested, but the implication is that the "missing" xp from a weapon will be imparted to the Warframe, so if both the weapon and the Warframe have a lens of the same type, it seems like it shouldn't matter whether you use Warframe power or weapon.