Description: Camera Lens Adapter Converter Ring. Compatible with Tamron Adaptall II Lenses to Canon EOS EF EF-S Camera. There is electrical contacts in the adapter ring. Allow manual exposure and focus. Make full use of camera's advanced electronic focusing technology to accurately focus. Use the multi-point focus of the camera, currently up to 45 points of focus. Bring more flexibility to the composition. Compatible Cameras?Canon EOS EF/EF-S Mount, Including 6D, 5D, Mark III/II, 7D, 60D, 50D, 40D, 700D, 650D, 600D, 550D, 500D, 450D, 400D, 350D etc. Specification: Material?Metal Diameter?64mm/2.52 inch Height?15mm/0.59 inch Package Includes: 1x Lens Mount Adapter Ring
