New wide angle lens testing...my road.

This is the Canon 10-22mm, and
it beats the Sigma 10-20mm I also looked at.
(Loads of flare/ghosting and it didn't want to shoot
this low light scene on AF at all)

But I'm still not sure....

Saving in jpeg format really seems to reduce
image quality. That said, I'm not sure what
my other options would be for wide angle with
a 20D. :((