Sony's A7S has a low noise floor which helps it to achieve Sony's claimed 15.3 stops (at least with still shots - and it's not far from that with video). But what does this look like?
HDR or High Dynamic Range, is a way to record the massive distance between light and dark that exists in nature. Used well, it can produce amazing images. Overdone, it can make nature look like a videogame
Just in case anyone was in doubt that the 4K revolution is happening, Nvidia has just announced that its much anticipated Tegra 4 mobile chipset will include "4K Ultra-High-Def video support"
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