Here is the latest shootout lab measurebation by Falk Lumo (aka Falconeye), which I think is scientific, of good quality and higher level standard. Go read, inspect and measurbate yourself and the results (and conclusion(s) drawn up as well) may surprise you!
http://falklumo.blogspot.com/2009/10/lumolabs-pentax-k-x-vs-k-7-sensor-and.html
Yet, there is another comparison made between the K-x and K-7, by the "Pentax is Death" guy (aka Ogl). Full size sample photos are posted.
http://fotkidepo.ru/?id=album:24445
I think both guys have done an objective enough tests and the results obtained are of certain good reference values. I won't write further here about my observations and comments and would just let you go figure out yourself and make your own judgement!
Thursday, October 29, 2009
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Comments by IntenseDebate
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Jorro · 802 weeks ago
All that comparison is *ONLY* in therm of absolute noise levels in pure flat area of color (in this case GRAY).
But how about detail?
I'm looked at pictures of K-x in high ISO in REAL world shooting, and I am not impressed. Not noise at all, true, but no detail also. Whole pictures, especially at 3200 and more, are virtually flatten piece of water-color painting. Just very high contrast lines are good visible, but not any small details. That's is very sad for me....
Personally, I think - the noise can be reduced AFTER ALL. Put extra details in flat picture can't....
J.
Real Engineer · 802 weeks ago
But I don't know about the Russian site and I also don't read Russian.
Though at least the guy can expose shots better than some of the other of rice's links.
Nothing speaks garbage quite like seeing a photo that is 50% noise and then blaming the camera as has been the case so far.
Guest · 801 weeks ago
Let's face it, JPEG noise is not the best in the K-7, but people buying such a camera are much more likely to shoot RAW anyways. I have a K-7 myself and, using Capture One Pro 4, the noise and detail levels can rival both the D300 and the 50D. And with settings like 0 luminance noise reduction and 50 chroma noise reduction on the sliders, the level of detail otfen exceeds that of the Nikon and Canon APS-C flagships (7D exceluded, as I have yet to compare with that new excellent DSLR).