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I don't think I understand why you think they made mistakes for the a7S, or somehow the tests are wrong only for the a7S. If you don't do the same tests for all cameras, then you don't have anything. Michael

Hi Henry, I'm long-time Sigma user. Here's my review http://maxotics.com/?p=350 Mercifully, they're removed video from the camera. This sensor is a somewhat bastardization of their original Foveon designs. In order to increase detail they split the top layer, blue I believe, into four pixels per 1 pixel of red and green below. I didn't test against my Merrill, but others have found what I suspected, you lose a little color microcontrast, though gain some speed. If anyone here is interested in getting a medium format image quality at ISO 100, and you can work slow, like in the film days, these are cameras worth having. The lenses alone are generally what an interchangable prime lens of the same quality would cost so you get the body for free. So if you see a used DP1S, X or M, or DP2S, X M (the 1 is around 28mm and the 2 is about 42mm), give them a try. For architectural photography a DP1 simply cannot be beat IMHO. Also, the Sigma software you have to use to process the X3F RAW files is slow and horrible. But again a real 3D look.

Wanted to share my first video shot with the V2's burst mode. I used in camera JPEG for this video. My girlfriend and I are on exchange to Singapore for half a year and I had to leave my desktop workstation behind. My 4 year old MacBook Pro doesn't have the power to cope with raw burst sequences and since I'm on holiday at the moment I didn't want to spend too much time editing this. Premiere Pro already crashed on me enough times during this project xD Next time I'd like to make some more 'longer' shots using e.g. Twixtor. I rendered a 4k ProRes proxy and uploaded the 2gb video to YouTube so 4k is available for people with a 4k monitor.

DXO has rarely been wrong with their measurements - Sony's probably doing some pretty clever tricks on the image processing side.

Here's some broad generalizations, but it's how I see things: My bottom line opinion is worry about the storytelling first, then fret about all the other junk. The craft and gear will fall in line behind a great idea. If you know the shots you want to create to tell a story, you can usually find a way to make even the cheapest camera/mic effectively capture it. On the other hand, if you come at it from a mostly technical side don't expect compelling videos that will enchant a layperson viewer. Walking around street shots of Berlin, London, or L.A. with a new camera is great for us here at this forum, or for people that are into gear-porn. Heck I love to see what new tech offers too, but it's a snooze-fest for a regular person that watches those types of videos. The technical side of the craft is fun, challenging, and exciting, but if you want to really be a filmmaker it's not what you put at the top of the priority list. Real film makers aren't making movies for those of us that dig that stuff, they're telling stories to a much broader audience. Try to build something like this: http://tinyurl.com/kk23m4b over building something like this: http://tinyurl.com/kak87tc ...and you'll be a step ahead of so many others in the low-end side of the biz that seems more concerned with buying things rather than making things. Just about EVERYONE in the modern world can get access to gear that has the capability to make astounding images and tell great stories. (They carry it around in their pocket and call it a smartphone) I'd argue that the majority of people with this new affordable gear don't make great stories with astounding images. So you really got to ask yourself ...which one of those people do you want to be? I'm making a short right now with a used $200 GH1 and a $20 prime lens. The image is ridiculously good. I mean...it's nuts what I'm getting for less than $250. Which is cool. Great. I'm not worried about the image. I trust what I can get based on the quality of the gear and the skills I've acquired. At this point what I worry about is the story I'm trying to tell. Is what I have my characters doing interesting to the viewer? Do my frame compositions covey the proper emotion that helps support my story? Having a Sony lowlight camera or Panasonic 4K doesn't mean squat if you don't do anything interesting with that capability. My advice about gear and kit: Don't worry about your gear and kit. Get what works well enough and then use it. That's my rant and I'm sticking to it.