When I first tried the recently released Sony A7 and A7r, I wondered why Sony didn’t differentiate more substantially between the two cameras by giving the A7 less megapixels but a vaster ISO range. The answer is now very clear: a third camera, called Sony A7s, where the “s” stands for sensitivity, was on its way.
It also included interesting video capabilities with a 4k recording option and professional settings that filmmakers will surely appreciate.
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