For those new to DSLR cameras here is an excellent video with five focusing tips for shooting super-sharp photos:
If
you recently upgraded from an automatice camera to a DSLR, the first
things you probably noticed was that focusing is now manual. Instead of simply pointing and clicking your camera, you now need to think about
autofocus points, which are not so intuitively “intelligent” as the focus
systems in point-and-shoot cameras. However, autofocus points are very powerful and gives you greater freedom — find out how to use them.
Here’s a great primer video by photographer
Phil Steele. He outlines five main
tips for achieving fine focus and super-sharp photos: