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Tagged Questions

In photography the histogram is a visual representation of the distribution of the tones in a photograph.

learn more… | top users | synonyms

1
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2answers
128 views

How do I tell if an image is exposed correctly when I can't trust the LCD? [duplicate]

I used exposure compensation when I take my shots and adjust it whenever it needs adjustments. Most of the time I shoot using Manual mode. My problem is, when I'm out on a sunny day I can't judge ...
2
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3answers
121 views

How to interpret a histogram to know whether the photo is under or over exposed? [duplicate]

Yes, the books might have been written on this but not being a technical person, I'd like to understand in short and easy to understand language - How to interpret a histogram to know whether the ...
1
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2answers
203 views

How do histograms handle highlight and shadow clipping?

My camera shows a histogram in the preview: And after I take the photo: I shoot RAW, but as I understand it, the histogram is computed from JPEG, so it might indicate that the highlights and/or ...
0
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2answers
107 views

Learning from other photos. Histograms: how do I know if the original photo was over/under exposed? [duplicate]

There is a photographer who shoots mostly indoors with natural light (no soft box) but sometimes he also shows outdoors photos in natural light conditions. His site is at ...
0
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0answers
37 views

How do I set unitary white balance? [duplicate]

How do I set unitary white balance on my camera? (5DmkIII) Is there any app that will do this for me? Or do you know about any tethering software (preferably for Mac, if at all) that displays RAW ...
5
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2answers
402 views

Is there a way to automatically make the histogram of an image match another image?

Is histogram matching used in real-life photo editing ? Lets say, I have 2 images and I want the first to have histogram of second. And is there any software, that can do this?
1
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2answers
401 views

What does it mean when an RGB histogram and luminance histogram look similar?

What does it mean when both RGB histogram and luminance histogram look similar? Please explain in detali.
13
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2answers
346 views

How can I use a histogram to expose correctly when the scene is very dark?

If I am photographing a scene with a lot of dark background, how can I use the histogram to tell if the exposure is correct? For instance, at an outdoor concert in which the performers are moderately ...
5
votes
2answers
568 views

How to avoid overexposing image using RGB histogram when shooting RAW and using different Picture Controls?

Since the histogram is computed from JPEG that is burned into RAW file using Picture Control (PC), how can one actualy rely on it? How precise is it when PC is set to Neutral? Simple test: Make 2 RAW ...
2
votes
3answers
410 views

How do I judge correct White Balance?

Which photo has the more correct White Balance? For me the second is much better than the first. My understanding is that the R+G+B histogram needs to be as balanced as possible. Is this true, or does ...
12
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2answers
1k 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 ...
11
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4answers
554 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 ...
3
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1answer
294 views

Is it possible to get the Histogram display in Lightroom to only consider the area selected by your cropping?

I've noticed that when I crop a photo, the histogram does not change. If I am then making changes based on the histogram (ie. exposure, fill light, blacks, etc...), it would seem to me that the ...
16
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4answers
885 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 ...
14
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4answers
1k 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 ...
4
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3answers
713 views

Since I can't get a light meter reading in the Canon EOS utility on manual, what should I do instead?

I've made a giant copy stand using an artist easel that slides up and down. It's working great, and after help on here I've decided to shoot my artwork archive project on manual (M) setting while ...
9
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2answers
733 views

Is there an easy way to select by histogram range in GIMP?

The other day I was wondering if there is an easy way in GIMP to choose the pixels that are part of a selected range on the histogram.
11
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4answers
1k 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 ...
21
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3answers
7k views

What is Universal White Balance (UniWB)?

How and in what kind of situations should it be used?
85
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6answers
4k 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, ...