Sony A7S versus Sony A7 versus Sony A7R
Side-by-side with the firm’s 24-Mpix A7 and the 36-Mpix A7R, the A7S comes closer in the overall score with the former, but it’s someway behind the latter.
Both the A7 and A7R have similar color depth and dynamic range throughout their native ISO range, while the A7S sacrifices some performance at base for improved performance at high ISOs – from ISO3200 onwards the A7S is measurably better. The same goes for noise levels though as we’ve already proven it’s really only a slight improvement.
Further readings for the Sony Alpha 7S sensor review: New low–light champ
To provide photographers with a broader perspective about mobiles, lenses and cameras, here are links to articles, reviews, and analyses of photographic equipment produced by DxOMark, renown websites, magazines or blogs.
August 04, 2014
As video cameras go, the Panasonic Lumix DMC-GH4 and Sony Alpha 7S are very DSLR-like in shape. A four-fold difference in sensor size, and a significant gulf in price suggests this may be the only similarity. However, in terms of intent, they're not as different as all this might lead you to expect. We've already had a quick look at the new features of the GH4 but here we're going to test the two cameras side-by-side - not necessarily to find a single 'winner' but to see where each camera's strengths and weaknesses lie.
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