Lens Bracket Collar Tripod Mount Ring for Canon EF 70-300mm f/4-5.6L IS USM
For Canon EF 28-300mm f/3.5-5.6L IS USM Lens. and Canon EF 70-300mm f/4-5.6L IS USM Lens. Canon EF 28-300mm f/3.5-5.6L IS USM Lens. Canon EF 70-300mm f/4-5.6L IS USM Lens. 1 x iShoot Lens Collar Support Tripod Mount Ring IS-C730PB.