Dynamic Range -- what it is, what it's good for, and how much you 'need'

Started Oct 17, 2011 | Discussions thread
boggis the cat
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What Joe's good for, and how much we don't need him
In reply to Great Bustard, Oct 18, 2011

Great Bustard wrote:

Seems that there's a lot of confusion (at least with some) about what DR (dynamic range) is and what it's good for. This purpose of this thread is to get this cleared up.

I'd like to begin with a rather stark example of what 13.7 stops of DR (D7000) offers over 11.2 stops of DR (5D2):

http://forums.dpreview.com/forums/read.asp?forum=1032&message=38379069

But wait, Joe, isn't it all about "total light"?

How is it that an APS-C system can out-perform a 135 system? The 135 system has more total light.

Oh, this must be an example of reality kicking theory square in the wedding tackle. Thanks for clearing that up.

So, there you have it. What DR is and what it is useful for.

Well, it's just as well you posted this, as I'm sure that nobody on the OSTF had any idea what DR was.

Clown.

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