my 1D X just arrived at Newport News Factory Service Center today for diagnosis.camera was working great with All my lenses (Canon: eos 50mm f1.8; eos 28-135mm is usm; 100mm f2.8 L Macro; 24-70mm f2.8L usm; 70-200mm f2.8L IS usm; 100-400mm f4.5-5.6L ...
