Full frame compatible with an 18 degree angle of view on full frame cameras , Minimum Focusing Distance of 4.9ft.with fast apertures of f2.8 - f22 and 58mm filter size. NOTE: This is a manual lens without autofocus, so "Lens not attached" is displayed. Please set the camera menu to work: 1) Set the dial to Manual (M) mode. 2) Set the "shutter release w/o lens" option in the camera menu to Enable. Compatible with canon EOS 4000D, 2000D, 1200D, 60D, 70D, 77D, 80D, 90D, 50D, 40D, 30D, 5D, 1D, 5D III, 5D IV, 5Ds, 6D, 6D Mark II, 7D, 7D Mark II Rebel T1i, T2i, T3, T3i, T4i, T5, T5i, T6, T6i, T6s, T7, T7i, T7s, T8i, SL1, SL2, SL3 Digital SLR Cameras [Quality Build] ---- Full body with the aluminum alloy structure is light and strong , and the rotating tripod mount can provide balance and stability when installed on a tripod or monopod. With 6 aperture blades can provides better control over depth of field when working with selective focus techniques. good for indoor sports and portraits with background blur. Before use it , pls watch our use video about how to use it Use TIP： 1. After installed lens, pls set camera on M mode. 2. If camera can't press shutter and does not recognise camera, pls setting camera menu " shutter release without lens“” or “Aperture priority “. setting way as following 1) Set the Release w/o Lens option in the camera menu to Enable. 2) Set the Shutter lock option in the camera menu to Off: no lens