Super wide-angle zoom lens with fast F3.5 maximum aperture throughout the entire zoom range is designed exclusively for digital cameras – perfectly suited for all around picture-taking including low light conditions indoors or at dusk.
Two ELD (Extraordinary Low Dispersion) glass elements and a SLD (Special Low Dispersion) glass element along with four aspherical lenses provide excellent correction of color aberration and distortion ensuring top optical performance in a compact and lightweight lens.
Inner focusing system eliminates front lens rotation making the lens particularly suitable for using the petal-type hood (blocks extraneous light and reduces internal reflection) and polarizing filter.
Hyper Sonic Motor (HSM) ensures quiet and high speed auto-focus as well as full time manual focusing capability.
Minimum focusing distance : 9.4in/24cm Filter size : 82mm Lens Construction : 13 elements in 10 groups.
Note : For Pentax mount if the camera body does not support HSM auto focus will not be available.