http://www.digitalcamerareview.com/default.asp?newsID=5454&news=pentax+ricoh+20-40mm+f2.8-4+variable+aperture+zoom+K-5+IIs
http://www.pcmag.com/article2/0,2817,2427404,00.asp
My Conclusions: Ugly Lens Outlook, Mediocre Image Quality, Ridiculous High Price, Poor Investment for Future (of APS-C Image Circle Only)!