BiG DIGITAL 2.2X Telephoto Conversion Lens for Canon EOS Rebel SL1, T5i, T4i, T3, T3i, T1i, T2i, XSI, XS, XTI, XT, 1D C, 70D, 60D, 60Da, 50D, 40D, 30D, 20D, 10D, 5D, Mark II, III, 1D X, 1D C, 1D Mark IV, 1D(s)Mark III, 1D(s)Mark II(N) , 5D Mark 2, 5D Mark 3, 7D, 6D Digital SLR Cameras with a 18-55mm, 55-250mm, 24mm f2.8, 28mm f1.8, 50mm f1.4, 65mm f2.8, 85mm f1.8, 90mm f2.8, 100mm f2 & 100mm f2.8 lens NOTE: This Conversion Lens is compatible with 58MM lenses only. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. The 2.2x Telephoto lens brings you twice as close to the action. Perfect for long-distance photo situations such as sporting events; candid portrait shots, as well as nature and wildlife photography. Mounts On your Existing Lens This is a good way to get a little more zoom from your lens when you are in a pinch. Perfect for party shots, sports or close-ups Distortion free