Description: The tripod mount ring mount on the tripod, it helps you fix and balance your tele lens which is heavy or long lens hanging off the front of camera. right weight and strong building by third party. 100% fits Canon and does have same construction. Ring diameter: 66mm Ring thickness: 3mm Made by metal with very high quality The UNC (Unified National Coarse Thread) is 1/4" Suitable for: Canon Lens Canon EF 70-200mm f/4L USM Canon EF 70-200mm f/4L IS USM Canon EF 300mm f/4L USM Canon EF 400mm f/5.6L USM Contains: tripod mounting ring x1

• Tripod Collar Mount Ring A(W) for Canon EF 70-200mm f/4L IS USM Lens

Tripod Collar Mount Ring A(W) for Canon EF 70-200mm f/4L IS USM LensImported