Auto Focus EF-EOSM adapter is able to adapt EF/EF-S Lens to Canon EOS M mirrorless Camera, which allows you to have more purchasing choices of the lens.
Makes M42 mount lenses (for Zeiss, Pentax, Praktica, Mamiya, Zenit) can be used for Canon EOS cameras, such as 5D, 5D2, 5D3, 7D, 60D, 450D, 550D, 600D, 750D, 760D and so on.
Y shaped Lens Support Plate provides physical support for wide-angle and especially long telephoto lenses, thus relieving the potentially damaging pressure on the camera's lens mount.