Product picture - Formatt Hitech Canon EF 28-300mm f 3.5-5.6 L IS USM Adapter Ring for 100mm Lucroit Holder Formatt, Hitech, Canon, EF, 28-300mm, f, 3.5-5.6, L, IS, USM, Adapter, Ring, 100mm, Lucroit, Holder Click the image to close this page