DSLRKIT Tripod Mount Collar Ring B (W) for Canon EF 100-400mm f/4.5-5.6L IS USM

Canon EF 70-200mm f/2.8L USM. Canon EF 70-200mm f/2.8L IS USM. Canon EF 70-200mm f/2.8L IS II USM. Canon EF 100-400mm f/4.5-5.6L IS USM. The third party special design for Canon EF 70-200mm f/2.8L, Perfect conformity in color and surface qualities.

eBay