Rob Studdert mused:
> 
> On 22 Jan 2005 at 13:25, Derby Chang wrote:
> 
> > I have two questions though. In the file browser, the PEF images are all 
> > listed as RGB (untagged), even though I have Adobe RGB set in the custom 
> > settings. The Pentax Browser shows the PEFs correctly. Bug in the Adobe CR?
> 
> Hi D,
> 
> The Pentax RAW files are colour space less, the Adobe RGB flag is used to 
> indicate the camera setting but will be superseded by your colour space 
> selection in PS CS camera RAW.
> 
> > And second question...the *istDS Image Tone option has Bright or Natural 
> > as the two options. What exactly is the setting doing? At a guess it 
> > sounds like the Bright mode applies extra contrast, brightness, and 
> > sharpness. But there are already sharpness and contrast settings. And 
> > this setting shouldn't affect the actual recorded RAW image though, 
> > should it?
> 
> I suspect they are enhancements for in camera processing only.
> 
> Cheers,

I suspect you are wrong.  The *ist-D stores a tone curve in a raw PEF
The *ist-D seems to store two different curves; I assume these correspond
to the "natural" and "bright" settings.  I'd also assume Photo Laboratory
makes use of them (although I doubt if any non-Pentax software does).


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