Canon DLC: Blog Post: Adding a Magnification Button location on the EOS-1D C and 5D Mark III with Custom Controls

Canon DLC: Blog Post: Adding a Magnification Button location on the EOS-1D C and 5D Mark III with Custom Controls

If you're still trying to reach the magnification button on these cameras with your way-too-short right thumb, here are the instructions for the perfect solution: add a new location for this very important focus assist tool (hint -- the SET button).