See:-
http://blog.pchome.net/article/318425.html
(Or English Translation Here)
http://blog.pchome.net/article/318726.html
(Or English Translation Here)
While you can click to enlarge the small pictures, the enlarged pictures are still downsized. Key EXIF data are preserved, though.
The pictures are not bad IMO. The reviewer comments that the DA 18-135 has both better focusing speed and responsiveness than the "high-end" DA*50-135 with SDM, which is a bit to his surprise.
Last Related:-
New (Small) Samples and Crops from the DA 18-135
K-5, K-r, 645D Full Size Samples (Production Firmware in Engineering Units)