iShoot Metal Lens Collar Tripod Mount Ring Compatible with Canon RF 100- 400mm f/5.6-8 IS USM, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate Dovetail Groove: Amazon.co.uk: Electronics & Photo
Canon RF 100-400mm f/5.6-8 IS USM Review: It's Better Than You Think | PetaPixel