Canon Wide-Angle Lens EF S 10 〜 22 F 3.5 USM

EF S 10 〜 22 F 3.5 USM - Review of Canon Wide-Angle LensI just my new Canon EF - 22 S 10, for a wide angle lens and bounds. This is one of the most popular Canon lenses, has been designed "sensor crop" of a series SLR. For more information about what crops after the sensor. My first thought was a few frames later, "Wow, this is very broad, and contains the block from me."
My question is why you