■True electronic integration of aperture diaphragm - let camera automatically choose aperture in P or S exposure modes, or dial in yourself on the camera body in A or M modes. ■Powered by camera body. No external power source required. ■Wide open button (opposite of depth-of-field preview function) makes manual focusing easy. Sony NEX System : Canon EF Lens to Sony NEX Smart Adapter It's a bit expensive. For the same price you can buy a canon camera body, but there is the possibility for using it. I'm imaging a 85L or a 135L with a NEX7... mmm...
Although I'm not likely to adapt EOS lenses for my 5N, it's a good sign that other manufacturers are taking the NEX E mount seriously.
