It is the job of engineers at Pentax to constantly improve the image  
quality of the cameras they produce. Not all of these improvements  
are *possible* to do to older bodies, even if it were cost effective  
to do so. Even if there are substantial image quality gains to be had  
in JPEG rendering, much of the algorithm used is embedded into the  
hardware of the graphics rendering chip in a digital camera for both  
speed and cost reasons.

There is no reason to assume that a firmware upgrade can change the  
rendering algorithm beyond a certain point. Pentax has done what an  
excellent job of providing useful improvements with firmware  
revisions to the *ist D_ series cameras, and is supporting the  
existing user base very well.

Godfrey


On Jun 19, 2006, at 8:39 AM, Martin Trautmann wrote:

>> <http://www.pentaxslr.com/images/SHAKE_REDUCTION_FACT SHEET.pdf>
>
> What I learn from the doc: Pentax does not mind about former users,
> upgrading their firmware?
>
> So even if Pentax knew about solutions to improve picture quality,  
> they do
> not necessarily take the effort to make upgrades?
>
> :  Is the CCD identical with the one used in *ist D-series models?
> :: Yes, it is.
> :
> :  Are there any improvements in image quality over *ist D-series  
> models?
> :
> :: Yes, the K100D's image quality is even higher than that offered  
> by the
> :: *ist D series due to upgraded firmware.


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