Tip - How to Set AutoFocus on the Canon 50D | eHow

The Canon 50D is a prosumer digital SLR with a 15-megapixel sensor and the ability to shoot 6.3 frames per second. When combined with the nine autofocus points the the 50D's use of cross point focusing that looks at both horizontal and vertical focus when used with f2.8 lenses, the 50D is a powerful tool for the action and sports photographer, as...