Sigma 8-16mm f/4.5-5.6 DC HSM FLD AF Ultra Wide Zoom Lens for APS-C sized Pentax Digital DSLR Camera
The only one of its kind A DC series lens designed exclusively for use with smaller chip APS-c or 4/3 cameras HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus FLD glass elements with performance equal to fluorite glass for compensate for color aberration One Aspherical lens and two glass mold elements Produces images with exaggerated perspective with its wide angle view from 121.2