Product picture - Sea & Sea Focus Gear for Canon 100mm f 2.8L Macro IS USM Kenko Teleplus HD 1.4X DGX in Lens Port on MDX or RDX Housing Sea, &, Sea, Focus, Gear, Canon, 100mm, f, 2.8L, Macro, IS, USM, Kenko, Teleplus, HD, 1.4X, DGX, Lens, Port, on, MDX, or, RDX, Housing Click the image to close this page