Buy from Amazon : http://www.amazon.com/gp/product/B003G2A71G?tag=wayofcats-20 <br /> <br />Sigma 8-16mm f/4.5-5.6 DC HSM FLD AF Ultra Wide Zoom Lens for APS-C sized Pentax Digital DSLR <br /> <br />A DC series lens designed exclusively for use with smaller chip APS-c or 43 cameras <br />HSM Hyper-Sonic Motor ensures a quiet high-speed auto focus <br />FLD glass elements with performance equal to fluorite glass for compensate for color aberration <br />One Aspherical lens and two glass mold elements <br />Produces images with exaggerated perspective with its wide angle view from 1212 Degree
