The first thing that has surprised me when I unwrapped the package awaited is the impression of strength that emanates from this case. The Olympus OMD EM-5 is built like a mini tank! Not to mention, the ultra-fast autofocus. Also with a Fuji X100S, I see the huge difference in reactivity between the two cases despite the regular firmware updates in Fuji, Olympus is faster and never misses his target even under difficult lighting conditions. Another interesting point is the stabilization of 5-axis sensor (IBIS), just amazing!