Oh, and here is the post that I found that changed my world with using the EF-S 10-22mm that I originally thought I would sell. Glad I didn't.
https://sorenjohansen.wordpress.com/2010/09/03/modifying-the-canon-10-22mm-lens/
https://sorenjohansen.wordpress.com/2010/09/03/modifying-the-canon-10-22mm-lens/