Removable, rotating tripod collar for the Tamron 100-400mm f/4.5-6.3 Di VC USD and 50-400 mm F/4.5-6.3 Di III VC VXD tele-photo zoom lens.
Designed with an Arca Swiss-type foot to provide quick, secure and stable mounting on all Arca compatible tripod heads. Made from light weight but strong and durable magnesium alloy.