Disassembling a FA 28-70 Lens

http://www.dpreview.com/forums/thread/1686062

A K-s2 Full Review

http://www.mobile01.com/topicdetail.php?f=251&t=4502344
(in Traditional Chinese)

The test pics and captions are self-explanatory for the results.

Countdown for the Upcoming Pentax Full Frame

http://www.timeanddate.com/countdown/generic?iso=20151006T00&p0=248&msg=Pentax+Full+Frame&font=sanserif&csz=1