Opteka 500/1000mm High Definition Preset Telephoto Lens for Canon EOS 7D, 6D, 5D, 1DX, 70D, 60D, 50D, 40D, T5i, T4i, T3i, T3, T2i and SL1 Digital SLR Cameras
Opteka 500-1000mm High Definition Preset Telephoto Lens for Canon EOS 50D, 40D, 30D, 20D, 10D, Digital Rebel XT, XTi, XS, XSi, & T1i Digital SLR Cameras