Add this Arca-Type Quick Release Plate with 15mm Rod Clamp from SmallRig to your camera rig to facilitate using a follow focus without requiring a camera cage. The durable aluminum plate mounts on a standard Arca-type head, and it provides a single 15mm rod clamp for a follow focus rod system. It creates a solid setup with different size lenses, keeping your follow focus free to utilize its smooth friction drive.