Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 70D, 60D, 60Da, 50D, 1Ds, 7D, 6D, 5D, 5DS, Rebel T6s, T6i, T5i, T5, T4i, T3i, T3, T2i and SL1 Digital SLR Cameras HD, super multicoated glass optics with anti-reflection coating for the sharper images Manual focus, digitally-optimized telephoto zoom lens Gives you the equivalent of looking through a pair of 10x power binoculars, rotating tripod mounting mount 4 Elements in 4 groups May be combined with the Opteka 2X Multiplier for 1000mm Zoom (Sold separately - 47st Photo Item Code: B000JSZ41S)