Manufactured in sleek black metal, this studio follow focus unit combines a modern look with trusted engineering and a classic design. The FF-4 kit contains the essentials for pulling focus on any type of production, the choice of either 15mm or 19mm rod adaptors means that you can shape the system to meet your particular requirements. The FF-4 is one of the most robust motion picture accessories ever built. No matter what else goes wrong, your pictures will stay sharp.