The above picture comes form the Chinese forum xitek and it looks like a Pentax DSLR camera with a full frame mirror box (I changed the brightness of the second image for a better view). For comparison, this is the APC-S sized mirror box of the Pentax K-5:
What do you think - real or fake? Rumors of a new full frame Pentax DSLR camera have been floating for a while.
There is also a new set of Pentax K-3 rumored specifications from the Japanese forum kakaku:
Via Pentaxforums