http://www.bhphotovideo.com/c/product/755347-USA/Sigma_106109_150mm_f_2_8_EX_DG.htmlThe arrival date is not yet known, though.Besides, this lens is a DG lens. So, full frame compatibility is guaranteed, which is the same as those original Pentax DFA macro lenses. But nevertheless, Pentax does not have any full frame body up till now anyway, and not likely in the foreseeable future.Read Also:-DFA
