Fluid Movement: Fluid heads use a special fluid mechanism that allows for smooth and controlled movements. This is particularly important for capturing video without jerky or uneven motions.

Panning and Tilting: Fluid heads typically offer separate controls for panning (horizontal movement) and tilting (vertical movement). This allows for precise control over the camera's orientation.

Drag Control: Many fluid heads come with adjustable drag controls for both panning and tilting. This allows users to set the resistance to match the weight of their camera setup, providing optimal control.

Counterbalance: Higher-end fluid heads often include a counterbalance system. This helps in offsetting the weight of the camera and maintaining stability at various tilt angles.

Quick Release Plate: A quick-release plate is a convenient feature that allows you to quickly attach or detach your camera from the fluid head.

Load Capacity: Fluid heads are designed to handle specific weight capacities. Ensure that the fluid head you choose can support the weight of your camera and any additional equipment.