iShoot Lens Collar for Nikon AF-S NIKKOR 200-500mm f/5.6E ED VR, CNC Machined Lens Tripod Mount Ring Support Bracket Holder, Bottom is ARCA Fit Quick Release Plate for Tripod Ball Head ARCA-SWISS
NIKON D500 AND THE 200-500MM LENS MOUNTED TO A GYMBAL ON A MONOPOD DEMONSTRATION - YouTube