Full-time manual focus feature is available for manual focusing even while in AF mode while a minimum focusing distance of 0.66 ft (0.20m) offers dramatic wide-angle images. Aspherical lens elements help improve image quality on the periphery while a 7-blade circular aperture diaphragm delivers beautiful, soft backgrounds. Lens coatings are also used to help minimize ghosting and flares. Offering spectacular image quality, silent and smooth operation in a compact body, it’s the ideal lens for capturing both stills and video.
Read: Full Specifications (on Canon’s website)