“Star” lenses from Samsung
Impress Watch have published interesting photo of three lenses by Samsung which are undoubtedly the same as Pentax DA* line. There is the misprint on that page: 60-250 lens is F4 not F2.8.

Image courtesy Impress Watch Corporation, an Impress Group company
Rumors says that this lenses (Pentax and now Samsung) were co-developed with Tokina. Click here to view the full size samples of Tokina AT-X 535 PRO DX 50-135mm F2.8 lens.
Update: New Tokina 50-135mm F2.8 lens (and probably other two co-developed with Pentax) will not be available for K-mount. Only for Canon and Nikon.
According to 

