Place for a rant
Color bleeding is non existent in any real foveon because color is captured well at each pixel. This induce the clarity of foveon files, a sharpness induced by real color capture.
Meanwhile, in the quattro, a huge part of the red and green are guesstimated inducing color wrong interpretation on edge of objects. I have the DP2 quattro. It is more a bayer camera than a foveon. It is a 2/3 bayer camera to be precise. "Foveon" is just a principle in this device, and only a principle.
But if ppl are happy with this, it is ok. I'm not. Happy me I still have the real foveons in my pocket, this one is returning.
The foveon is dead.
The principle of Foveon is pretty simple : Capturing each color at every pixel location.
The principle of Quattro is guestimating a an extremely large part of the colors by processor calculation.
Bear in mind that the Quattro is not a foveon anymore. It is an hybrid between bayer and foveon.
So, if you want a "quattro" effect in your merrill, just go Neutral mode sharpness -1, contrast -3 and your done. (hoo yea !! I forgot that you will have a little bit less resolution but ... who care at this level ?)
What do a Foveon when he pain at finding colors in shadows ?
>> He struggle between the 3 layers to try to find, resulting in wrong, localised colors. By localised I mean it won't go out of the pixels who represent a problem for him. At the end you have two ways to circumnavigate this, closing a bit the shadows (resulting is a lose in DR) or simply using a chroma noise cursor in many applications, like lightroom. Often ppl tend to puch to far this cursor resulting in a total lose of the color information. At the end, the Merrill sensor have a lot of DR, not as much as SD15 but on par.
A foveon can not bleed; non of the electronic parts or software are made for it. It is a foveon.
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What do a Quattro when he pain at finding colors in shadows ?
>> The processor go crazy and interpolate the nearest color in those problematic pixels. The problem is not allocated to the pixel, it contaminate the others. This is what we call "bleeding" and this is a typical bayer behaviour.