Please also look at the playlists:
https://www.youtube.com/user/ChristopherKblog/playlists
A wide-angle lens lets you capture a broader field of view than most lenses and brings in everything around you. Canon expert Jon Lorentz takes you through the best uses of wide-angle lenses and gives some tips on getting great photos with them.
For more information, please visit:
http://Canon.us/twv7