When choosing a ball head, it's important to consider the size and weight of your camera setup. If you have a larger rig with heavier lenses, then you'll need a ball head that can support its weight without sagging. For smaller setups, lighter ball heads will suffice. You should also consider what kind of shooting environment you plan on using the ball head in; if you’re doing outdoor photography in windy conditions, then look for one with an Arca-Swiss style quick release plate as this gives extra stability when securing your camera onto the tripod mount. Finally, take into account any additional features such as panning handles or bubble levels – these will add versatility to your shooting style but may come at an extra cost.