Full test report:-
http://www.photozone.de/pentax/618-pentax70f24
If you compare to the old PZ review of the DA70 on the K10D, you will find the K-5 actually deliver much higher resolution for all the images across the frame.
(Above: DA70 on K-5 - Imatest figures - PhotoZone)
(Above: DA70 on K10D - Imatest figures - PhotoZone)
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