Film versus DSLR dynamic range

Started Jul 24, 2007 | Discussions thread
Mario Senior Member • Posts: 2,648
Bit depth and dynamic range...

You are correct when you describe how many "levels" are available to describe shades of gray in each channel for a 12-bit bitmap image.

However this does not map directly to dynamic range. It is certainly possible to compress the tonal values of the scene that has dynamic range more than 11 stops into this range and still have some measurable detail in both shadows and highlights.

And the compression is usually done at the expanse of mid-tones (i.e lack of contrast). This is why extremely high DR images usually have "sick" looking low contrast.

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Mario

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