http://www.kennychi.com/lens-pentax-dfa-%e2%98%85-50mm-f1-4-sdm-aw-%e8%a9%95%e6%b8%ac/
(in Traditional Chinese)
With quite some samples, full original JPEGs available with EXIF at the linked Flickr. Some purple/green fringing can be seen at wide apertures, anyway.