OPTURA HD 420-800mm f/ 8.3-F16 Manual Telephoto Camera Zoom Lens for Canon EOS DSLR Cameras 4000D 90D 60D, 70D 77D, 70D,80D, 850D 650D, 750D, 7D, T7i, T7s, T7, T6s, T6i, T6, T5i, T5, SL2 SL1 Digital - OPTURA HD OPTICS, JT-420cnop

• 420-800mm MF Super HD Telephoto lens, Solid Construction with full metal body, Small size 10.6 x 3.5 x 3.5 inch, lightweight 700g=1.8LB, easy to carry to anywhere. Ultra high definition image quality .with Japan design, Multi coated low-dispersion glass. The surface of the lens body is oxidized to prevent paint loss and wear resistance No working with canon Eos mirrorless cameras, only Compatible with DSLR cameras - Canon Digital EOS Rebel T1i, T2i, T3, T3i, T4i, T5, T5i, T6, T7, T6i, T6s, T7i, SL1, SL2, EOS60D, 70D, 77D, 80D, 50D, 40D, 30D, EOS 5D, EOS1D, EOS5D III, EOS 5D IV, EOS 5Ds, EOS 6D, EOS 7D, EOS 7D Mark II fit any Canon Digital SLR Cameras Perfect for the wildlife or nature photographer who wants to be hidden while taking photos of the subject. Best choice for small or distant subjects when large heavy primes are impractical, ranging from birds and wildlife, through sports, to moon and the like NOTE: This is a manual lens, NO auto focus, your camera will show "lens not attach", but not defect. pls change camera setting work as following : 1) Set the mode dial to Manual (M). 2) Set the Release w/o Lens option in the camera menu to Enable. 3) Set the Shutter lock option in the camera menu to Off: no lens.