Learning Photography: Focusing

There are three main auto-focusing modes:
One-Shot:
One-Shot AF (Canon)/AF-S (Nikon) It focuses on the focus point and it's done.
Usage: When you and the subject are not moving.

Continuous Focus
AI Servo AF (Canon)/AF-C (Nikon)
It continuously focuses on the focus point as long as the focus button is pressed.
Usage: When shooting something that is moving (e.g. sports/wildlife)

Hybrid
AI Focus AF (Canon)/AF-A (Nikon)  This is an autofocus mode that goes in between the first two modes. When the camera detects movements, it switches to continuous focus.
Usage: Decent for beginners. But not knowing what the camera will do, it isn't the best once you get focusing down.

Back Button Focus
One of the major adjustments I've made this year is how I focused on my camera. You've probably heard of back-button focusing. Instead of focusing when the shutter button is half-pressed, the camera is programmed to focus when another button is pressed.

The main advantage of this is that you can take a picture even if the autofocus point hasn't focused. Essentially, you can shoot on manual focus with the option of autofocus with a press of a button. This comes without having to turn on/off autofocus on the lens.

This will allow you to shoot faster if you and the subject haven't moved since you don't have to refocus after every shot.

It gives more control over the focus.

Let me know what you think about this learning photography post. If there are any aspects of photography you would like to learn more about, just make a comment.