For anyone else waiting to buy a Bigma (sigma 50-500mm) for Pentax mount hereris an email reply I received today when I inquired about availability......
This lens should be available in late August early September.
Thank you,
Rory O’Donoghue
Customer service/technical assistance
Sigma Corporation of America
New Sigma SD 14 Digital SLR
New 50-150mm F2.8 EX DC HSM
New 70 mm F2.8 EX DG Macro
Outdoor Photographer "Editor's Choice Award"
New 70-200mm F2.8 EX DG Macro
10-20mm F4-5.6 EX DC
Sigma Corporation of America
Tel. 631.585.1144
Fax 631.585.1895