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This tag is used for exposure levels and the "levels" tool in photo processing software. Don't use it for the horizon-alignment device.

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21
votes
5answers
844 views

Is there any noise difference between averaged and long exposure photos?

Let's suppose I'm on a tripod, photographing a perfectly still scene (also dark) and I take these photos: 5 photos at ISO 3200 and 1s exposure 1 photo at ISO 100 and 5s exposure There is a common ...
9
votes
2answers
328 views

How levels and curves tools are related?

I started to use levels and curves tools quite recently and now I mostly use the second one. Mostly this is due to the fact that I understand the underlied mathematics of curves better than levels. My ...