Almost every camera you have ever used works the same way out of the box: press the shutter button halfway to focus, press it all the way to take the photo. One button, two jobs. It is so intuitive ...

We outline situations where you can benefit from separating AF activation and the shutter release and explain how to set up your camera accordingly. Back button focusing is a technique that decouples ...

There aren't many camera techniques that, once learned, will totally change how you shoot. But, back-button focus might change your life. Extreme? Maybe, but I urge you to watch this video from Sam ...