We already got a lovely, refreshed A7R II just a few months ago, and Sony's eager to keep the upgrade train a-rollin'. The company unveiled the A7S II just a few days back, and despite a spec sheet that reads a lot like its predecessor's, this thing seems poised to nab the low-light shooting crown. If you've seen the original A7S in action, you'll know that's no small feat -- let's explore together, shall we?Slideshow-320037
Tags: 4K, a7, a7s, a7sii, alpha, alphaa7sii, camera, handson, mirrorless, photography, preview, sony