johnctharp Offline Upload & Sell: Off
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It'd have to be what, f/1.4 to get the same amount of light to the sensor and the same DOF control? I always get confused with logarithms. As it stands, at the long end, it'll gather as much light as your average 70-300; so comparing it to the 70-300L on the 1D X would seem to make sense, given the similar resolution, and that the Canon lens is the only 'pro' 70-300. I honestly expect the new Oly to do a bit better, if only because it'll technically be a higher-end optic in their line, versus where the 70-300L sits in Canon's line (it's no 70-200/4).
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