I have a Sigma SD14 (Foveon sensor DSLR) that I like very much, for all its limitations.  Some of you may remember that I had a lot of frustration with the system early on, because of some significant problems with the required workflow to convert the huge/complex X3F raw format into something that can be properly used by standard image editing tools.  Well, Sigma has been refining and improving their conversion software constantly, with big improvements in each generation, and with the release of Sigma Photo Pro 4.0 I think they've finally matured it into something truly fantastic.  It's what I consider "digital developing", to a level that's well beyond what is normally seen in the Canon and Nikon tools, or even in Adobe Camera Raw.

The new version is (finally) able to fully harness the wide dynamic range and huge color space of the Foveon X3F output and allow some really compelling photographic results from the sensor.  It is also now capable of directly outputting full-gamut ProPhotoRGB colorspace images in several formats including 16-bit TIFF, which is fantastic if the next step is a ProPhoto native tool like Lightroom or PS CS4+.  Take a look at an example of the kind of conversion control this thing can do, in this case using a very overexposed shot in hazy conditions…

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