Bower 500mm/1000mm f/8 MF Telephoto Lens for Canon EOS T5i 700D T4i 650D 1D Mark IV 5D Mark II 60Da 60D 50D 40D 30D 20D 10D 7D EOS-1D X T3I T2i T1i 600D 550D 500D 400D XS XSi T1i XTi XSi 450D 1000D 1100D High-power 500mm telephoto focal length Includes T-mount adapter for digital and 35mm Canon EOS SLR cameras High index, low-dispersion multi-coated optical glass to reduce flare