Ultra wide-angle zoom lens with a fast F2.8 aperture and superior usability. A highly portable compact design measuring a scant 3.4'/86.5mm in length and Ø73mm in maximum diameter. Exceptionally quiet RXD stepping motor unit perfect for video use. MOD of 0.15m (5.9 in) at the 11mm focal length for creative ultra wide-angle macro and weighing only 11.8 oz/335g. Moisture-Resistant Construction and Fluorine Coating