This is the K-x test, full size original test images can be downloaded:-http://www.focus-numerique.com/test-103/pentax-k-x-test-bruit-electronique-12.html(or view in English by Google Translate here)(ISO 200 to 12800)And, we can see also the K-7 test. Here it is:-http://www.focus-numerique.com/test-91/pentax-k-7-test-bruit-electronique-12.html(or view in English by Google Translate here)(ISO 100