Exactly, and for this case a raw histogram where the x-axis is linear, but the vertical lines show ev steps (logarithmic) is the best representation imho. Because the raw data usually is integer (except for hdrmerge raw data) the lowest ev step has only 2 values (zero and one), the second lowests also has only 2 values (two and three), the third lowest ev step has 4 values (4 to 7) and so on. Giving the ev stops in raw histogram equal space would waste a lot of space in gui.
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