Anello di montaggio treppiede per collare obiettivo Canon EF 70-300 mm f/4-5,6 L IS USM CWII
Compatible Lenses : EF 70-300mm f/4-5.6L IS USM (Fat White), also compatible with 28-300mm (Big White Lens). Mounted on the lens barrel, it secures the lens to the tripod via the tripod mount hole at the bottom of the collar.