Does more DR require more bits?

Started Mar 19, 2012 | Discussions thread
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Johan01
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Does more DR require more bits?
Mar 19, 2012

I am curious if having more DR has any trade off in regards to the amount of data captured?

It seems like I am able to PP the 5D files quite a lot before I get artifacts between color gradations. I would imagine that a lower DR sensor could capture finer gradients for a given EV range?

I have also noticed the 5d meters itself strangely and I meter to the right more than my 60d without clipping highlights. How much of the 5d2 DR is hidden up in the highlights? Is the 100 iso of the 5d really closer to 50 iso? It always seems to want longer exposures.

Canon EOS 5D Canon EOS 5D Mark II Canon EOS 60D
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