9 Replies Latest reply on Jul 11, 2015 4:23 PM by jimtron

    LR jpg compression: does Adobe acknowledge only 13 steps?

    jimtron Level 1

      I just read Jeffrey Friedl's excellent and eye-opening article about Lightroom JPG compression, and one of the things that surprised me is that, according to him, there's only 13 discrete compression levels, despite the scale that goes from 0 to 100. He seems to be incredibly knowledgable about LR, so I don't doubt him, but I'm wondering:

       

      1. Is this documented by Adobe anywhere?
      2. If not, have they acknowledged that this is the case?
      3. Why have a scale that goes from 0 to 100 then?