FujiFilm X-T2 Owner's Manual page 40

Histograms
Histograms show the distribution of tones in the image.
Brightness is shown by the horizontal axis, the number of pix-
els by the vertical axis.
Number of
1
•
Optimal exposure: Pixels are distributed
in an even curve throughout the tone
range.
•
Overexposed: Pixels are clustered on the
right side of the graph.
•
Underexposed: Pixels are clustered on the
left side of the graph.
20
pixels
Shadows
Pixel brightness
Camera Displays
Highlights