At the PhotographyBLOG:-
http://www.photographyblog.com/reviews/pentax_k5_review/image_quality/
And the Ephotozine:-
http://www.ephotozine.com/article/Pentax-K5-15123
I won't comment further this time and will let You measurebate and decide!
Read Also:-
K-r Full Review at the PhotographyBLOG