The histogram tag has no wiki summary.
69
votes
6answers
3k views
How and why do you use an image histogram?
I realize that an image histogram is a graphical display of an images tonal distribution (i.e. horizontal darks to lights, vertical pixel distribution), but how does one really use it and why? I mean, ...
20
votes
3answers
5k views
11
votes
4answers
398 views
If my histogram shows nothing at the ends of the scale, does it mean the dynamic range of my camera isn't reached?
If my histogram spikes in the middle and evens out pretty much evenly but not completely to the ends (0 & 255), does this just mean that my scene doesn't have the deep shadows or brightest ...
11
votes
2answers
847 views
How do I interpret individual colors on RGB histogram?
I know how to read the Luminosity histogram and I thought that I knew how to read RGB histogram as well, until I saw the following example:
The RGB histogram shows exactly the same 3 'spikes'. What ...
16
votes
4answers
762 views
How does histogram shape affect the aesthetics of a picture?
For having more contrast in an image, it's good to have a wide range (i.e. difference between highest and lowest) of light intensities in a picture; and for keeping details, neither highlights nor ...
13
votes
4answers
813 views
Why should I use the Zone System when the histogram gives me all the information I need?
DSLR cameras, by and large, give very complete information about how the photo is exposed, in the form of a histogram and image of a trial exposure. It shows the light distribution for both luminance ...
11
votes
4answers
909 views
What does it mean if the main peak of my Histogram is beyond the top of the chart?
I tried reading this thread about histograms, but couldn't understand it well enough to answer this question.
I took some shots yesterday where the main peak of my Histogram was actually off the ...
