Quote:
Originally Posted by g__day
Andrew - when you say 1/3 of the way along - you mean from the left (dark) end don't you? So you expect you shot to look dim, not dark nor too bright (i.e. like a picture of the sky towards late sunset).
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Exactly, you read the histogram from left to right so 1/3rd from the left (dark).
That's how I've done it.
Quote:
Originally Posted by g__day
Also when you say the average histogram should be half the total possible - I bet you're right - but what does that look like - i.e.
If its doene right does the Histogram mountain in Photoshop CS2L
1. 1/2 the height of the box, or
...
...
I guess I am asking for a lay persons guide to knowing if I got it right!
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Just to clarify a point on histograms.
The height has nothing/little to do with what we're concerned about.
It only indicated how many of the pixels are at that grey level (out of a possible 256).
Each channel (RGB) is represented by 256 grey levels (0-255) in 8 bit mode and so on.
The height can go off scale vertically but it's the horizontal line we need to keep an eye on and tells us when it's clipping.