http://news.mapcamera.com/KASYAPA.php?itemid=22519
(in Japanese)
Samples are downsized but yet not too small. Sharpness is good as seen but I am not fond of that cool and purplish colour rendition and tone. It maybe just a K-5IIs issue that is well known and thus nothing can be concluded about the new HD coating and glass regarding this! ;-D
Related:
My Best Optimal Custom Image (Colour) Setting Combination for the Later Pentax Digital Bodies