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| p.62 #17 · Sigma DP2 Merrill: Have any of you tried it? |
Kit Laughlin wrote:
Playing more with Iridient: compared to Aperture and SPP, the shadows tool only provides a small fraction of the adjustability of most other Raw developers. There is no equivalent to SPP's 'Fill Light' (and I would love someone to explain to me what this does, or point me to a place that can). More to come (if I can make the time tomorrow, I will take difficult file and run it through SPP and Iridient).
From what I can see, SPP processing has lot to do with what most folks associate with the foveon look - perhaps even moreso than the sensor. Below are some example crops comparing SPP with Raw Developer (Iridient Developer).
Basically, it appears that SPP automatically clips the deepest shadows in order to hide noise that would otherwise be pretty noticeable. It also applies a highlight mask and increases local contrast in both the highlights and mid tones. This effect is what most people associate with the foveon look I think. Anyway, there is a lot of processing going on which probably helps explain why SPP is so slow compared to other raw developers.
Default SPP processing:
Defualt SPP on left, Iridient on right. Note the shadow clipping and enhanced contrast of SPP. Iridient processing looks more natural:
Same area but adjusted to extract as much detail as possible out of each. Note SPP still clips shadow detail that Iridient will show, along with noise:
Highlight masking and local contrast enhancement in SPP, on left. Iridient on right.