iShoot Lens Tripod Mount Ring for Tamron 100-400mm f/4.5-6.3 Di VC USD (A035), CNC Machined Lens Collar Support Bracket Holder, Bottom is ARCA-SWISS Fit Quick Release Plate for Tripod Ball Head: Amazon.co.uk:
TAMRON A035N 100-400 mm F/4.5-6.3 Di VC USD Lens for Nikon - Black: Amazon.co.uk: Electronics & Photo
Tamron 100-400 mm f/4.5-6.3 Di VC USD review - Build quality and image stabilization - LensTip.com