GadgetZone Tripod Collar Mount Ring C(WII) for Canon EF 70-300mm f/4-5.6L IS USM Lens for Canon
Price 42.99 USD
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 * Be made from high quality and durable materials * Fits Canon and does have same construction. * The UNC (Unified National Coarse Thread) is 1/4" and 3/8"