Alley in Pisa, Italy

by Lars Kotthoff

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6
votes
3answers
3k views

How to best filter away high ISO noise in Gimp?

So I took a picture at a high ISO value in poor light conditions. I can't retake it, the grain effect is bad, I'm aware this will never be a good photo, but I still want to make the best out of it. ...
8
votes
1answer
2k views

In ufraw, how to use the two curves?

I have a basic understanding of curves. That is, I know the mathematical concept behind them, and I have an idea what happens when I change them. But this knowledge came from sources which assumed ...
8
votes
5answers
3k views

Please suggest a workflow on Mac using only free/open source software

I own a D90 with a Nikon 50mm f/1.8 prime lens. However ever since buying my camera I am struggling to find a proper workflow to process RAW images on my Mac which does at least the following Adjust ...