It would need to be really flat.

You'll begin to see artifacts with a dynamic range of six stops,
which is well before you'll have anything like harsh shadows.

In any case, there's no excuse to use your tools to well below
their capabilities; it's not really much harder to get the
exposure right to within half a stop.


On Mon, May 23, 2005 at 02:12:50PM -0400, David Zaninovic wrote:
> That is why I said flat light, so no shadows.  If there are harsh shadows the 
> whole deal is off.
> 
> ----- Original Message ----- 
> From: "John Francis" <[EMAIL PROTECTED]>
> To: <[email protected]>
> Sent: Monday, May 23, 2005 1:50 PM
> Subject: Re: Understanding exposure? Recommendations?
> 
> 
> > On Mon, May 23, 2005 at 10:24:59AM -0400, David Zaninovic wrote:
> > > That's right, if you shoot raw and you captured all the info who cares 
> > > about the exposure, you can change exposure during raw
> > > converting process and the result will be identical as if you compensated 
> > > the exposure correctly at the time of shooting.
> > 
> > No it won't.
> > 
> > In particular, you'll see addional quantisation in the shadows.
> > 

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