2XII Magnification Teleconverter Extender Auto Focus Mount Lens for Canon EOS EF Lens for Canon EF Lens 5D II 7D 1200D

Feature: 1. Compatible for Canon EF Mount 100mm and above Lens. (Perfect for 200 500mm lens, lens under 60mm is not recommended.) 2. Can increase the lens focus length to 2 times. 3. Support lens\u0027 AF function (Auto Focus) and won\u0027t affect to Exif information. 4. Adopt 7 optical glasses, 4 groups, the depth of field is half of the lens. 5. Equipped with USB firmware upgrade port. Good helper for long distance photography. Specification: Features: C AF 2XII TELEPLUS can make the focal length of all the for Canon EF lens increased to 2 times as respectively,and the auto focus function of the camera lens can be used perfectly, and don't change the EXIF information. C AF 2XII specially use for 100mm or more fixed focal length lens, but not recommend for use in less than 60mm of short focus lens. Specification: Mount Type: for Canon EF Mount lens Magnification: 2 times Depth of field: Half of the lens Constitution of the lens: 7 glasses,4 groups Focus mode: full auto focus Lens coating: Multi coated Exposure factor: Approx 4 times Item size: 6.7 * 5cm 2.6 * 2.0in(D*H) Item weight: 131g 4.64oz Package size: 9.5 * 9.5 * 9.5cm 3.7 * 3.7 * 3.7in Package weight: 202g 7.17oz Package List: 1 * Teleconverter 2 * Covers 1 * User Manual(Chinese&English) Package List: 1 * Teleconverter 2 * Covers 1 * User Manual(Chinese&English)