When Olympus announced the OM-D E-M1, it was pretty obvious that the days of the Four Thirds system were numbered -- to the regret of many photographers who had fallen in love with the superb Four Thirds lens lineup. On the upside, thanks to the phase detection strips, the E-M1 is able to focus Four Thirds glass nearly as quickly – if not quicker than – any of Olympus' now gone DSLR models. With the advent of the E-M1, it was also pretty obvious that Olympus was aiming for the professional sector, on which it had lost ground before with the decision to...
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