52mm to EOS Filter Thread Macro Reverse Mount Adapter Ring,& for Canon EOS 1D, 1DS, Mark II, III, IV, 1DC, 1DX, D30, D60, 10D, 20D, 20DA, 30D, 40D, 50D, 60D, 60DA, 5D, Mark II, Mark III, 7D,T1, T1i, T - 52mm to EOS Reverse Adapter Ring