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8 votes
3 answers
1k views

If, brightness → dynamic range... white balance → what?

Different things have different brightness levels. And with a normal camera, when we set more exposure to show details in the shadows, the already existing-details blow out. And vice versa — when we ...
0 votes
2 answers
13k views

How is f-stop a measure of dynamic range?

As far as I have read f-stop is a measure of the aperture. This affects the amount of area in the foreground and background which is in focus. While having a look at the dynamic ranges of cameras I ...
22 votes
5 answers
23k views

What is dynamic range and how is it important in photography?

Wikipedia says that the dynamic range is the "ratio between the largest and smallest possible values of a changeable quantity". Ok, I get that. I suppose that's why HDR photos have a "high dynamic ...
5 votes
2 answers
863 views

What does the term "saturation luminance" mean in the definition of dynamic range?

The concept behind the dynamic range definition given by ISO 15739 is based on the ratio of the maximum luminance that receives a unique coded representation (the "saturation" luminance) to the lowest ...
9 votes
2 answers
4k views

What is DRI? And how does it differ from HDR?

I recently came across the term DRI meaning Dynamic Range Increase. What exactly is it and how does it differ from HDR or High Dynamic Range (or is it the same thing just different terminology?
31 votes
2 answers
7k views

How does exposure fusion work?

I understand that "exposure fusion" is a method for combining different exposures into a single image. How exactly does it work, and how is it related to HDR?