K-3 New Firmware 1.10 Diffraction Reduction Before Vs After Test

http://www.nphoto.net/news/2014-07/17/1eacb1337aaccb89.shtml
(in Simplified Chinese)

The test picture crops are with f-stops marked. Left side ones are with new firmware, with diffraction reduction enabled. Right side ones are with the last firmware of version 1.03.

It seems that at very large apertures, image sharpness is affected somehow. But reversely, at mid to small apertures, sharpness