Tag: x3f

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SPP 6.3 vs. X3F Tools (Kalpanika): coloured vignetting and noise performance

Yesterday I uploaded a couple of photos which I had taken with the DP2 Quattro as X3Fs, then converted into the DNG format with X3F Tools (Kalpanika), and edited in Lightroom 5.7. Most of these photos are nothing out of the ordinary, but in two shots, taken only seconds apart, it is possible to see ...

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New photos taken with the DP2 and more insights into the Kalpanika alias X3F Tools

If you have never heard about Kalpanika, aka the X3F Tools, then you should have a go at this blog entry. In short, it is a X3F to DNG converter with excellent noise reduction, but at the moment there is still a long row to hoe. One of the current issues is the “Italian Flag” ...

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X3F Tools: a cumbersome but very effective X3F-to-DNG converter

The X3F-to-DNG converter which was developed under the codename “Kalpanika” has now been released as “X3F Tools 0.53”. As far as I understood it, it was originally planned to make Kalpanika into a full-fledged RAW converter. This task was now abandoned as, according to the four-men-strong programming-team, there was no way to get rich with ...

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SPP 6.2.1 vs 6.3: is it possible to tease out more sharpness of the X3Fs with the newest version?

I was curious when Sigma launched SPP 6.3 and the change log claimed that the algorithm had been improved to make the Quattro X3Fs even sharper. Since optimising the RAW converter usually only improves the image quality a tiny bit, I was not expecting to see a huge difference when comparing 6.3 and 6.2.1. I ...

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Sigma DP2Q Link Collection: Reviews, Comparisons, Sample Images, Videos and more

Hopefully I will get my hands on my own DP2 Quattro soon, for that I can provide you guys with some pictures comparing the Merrill. Inbetween this summary of relevant links must do the job. There are many more interesting threads to be found on DPReview, but I had to draw the line somewhere. 🙂 ...

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Sigma News & Rumors: first DP2Q RAWs/X3Fs, comparisons with the Merrill, additional samples and more

Less than a week since the last post about the DP2 Quattro and already the first RAWs/X3Fs, comparisons with the Merrill and additional JPG samples have been published. You can download the X3Fs on the Japanese blog shin3.asablo.jp (red links), on ephotozine.com and on the Blog of one of the Fotogenerell regular readers (Jean Pierre). ...