Levels Adjust levels Maksim Golovkin Red,Green,Blue,Luma Channel Input black level Input white level Gamma Black output White output Show histogram Top Left,Top Right,Bottom Left,Bottom Right Histogram position Levels Adjust levels Maksim Golovkin Red,Green,Blue,Luma Channel Input black level Input white level Gamma Black output White output Show histogram Top Left,Top Right,Bottom Left,Bottom Right Histogram position Levels Adjust levels Maksim Golovkin Red,Green,Blue,Luma Channel Show histogram Top Left,Top Right,Bottom Left,Bottom Right Histogram position Input black level This makes the dark areas even darker, influences the mid-tones a little and the highlights not at all. Increases contrast.]]> Input white level This makes bright areas even brighter, influences the mid-tones a little and the dark areas not at all. Increases contrast.]]> Gamma Affects only the mid-tones, black and white are not influenced. Default is 25%, equivalent to Gamma 1.0). Lower values (moving the bar to the left) make the image darker, higher values (moving the bar to the right) make it brighter.]]> Black output Opposite of Input black level White output Opposite of Input white level