P N Stenquist wrote:

>A link from Dario. He points out that not only is the noise greatly  
>reduced, but the dynamic range on blacks is much improved as well.
> >http://www.popco.net/zboard/zboard.php?id=dica_forum_pentax&page=1&sn1=&divpage=3&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=14223

Very impressive. And it's the dynamic range that has me interested. I
never upgraded my K20D to the K7 because I didn't see a significant
difference in image quality and didn't really need the other advances
it offered. 

But I can tell you that since buying the Sony A850 I've hardly touched
my Pentax gear. Not because of the resolution of the full-frame sensor
(though it's certainly nice) but because of the huge improvement in
dynamic range the A850 offers over the K20D. Mike Johnston mentioned
the DR of the Sony in his full-frame round up
(http://theonlinephotographer.typepad.com/the_online_photographer/2008/12/sony-vs-nikon-v.html)
but I didn't believe how good it was until I started shooting with the
camera. I took some shots in New Hampshire convinced that I was
wasting my time because I didn't think it would be possible to get the
shadows without losing the highlights or vice-versa
(http://www.robertstech.com/galleries/franconia1/7da02723.html) and
opening the raw files up in Lightroom was a revelation.


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