http://www.pentaxforums.com/news/pentax-k-01-initial-hands-on.htmlQuoted:-"The K-01's contrast detect autofocus (CDAF) performs very well; it is more than adequate for its target audience. However, it is noticeably slower and less sensitive than the Pentax SAFOX IX phase-detect TTL AF system (PDAF) found in current DSLRs. It is slightly faster and more accurate than the DSLR live view