What type of device is used to stabilize a camera setup by allowing movement from different angles?

The most appropriate choice to stabilize a camera setup while allowing movement from different angles is a gimbal. A gimbal is a specialized device designed to counteract unwanted movements, enabling smooth camera operation even when the operator or the camera itself may be in motion. This stability is crucial in video production, as it helps to deliver professional-grade footage by minimizing shakiness and jitter.

While tripods provide stability, they do not allow for dynamic movement from different angles; they are primarily suited for stationary shots. Rigs are generally used to support the camera and other equipment but may not inherently provide stabilization on their own. Steadicams offer a unique way to stabilize cameras, but they work on a different principle, utilizing a set of counterweights and springs to balance the camera. Therefore, among the options given, the gimbal is the device specifically designed for stabilization while enabling fluid movement, making it the best choice.