Small and light full-frame F2.8 wide-angle zoom, Breathtaking G Master image quality right out to the edges of the frame, Extraordinary resolution and bokeh throughout the zoom range, Autofocus that is smooth, precise, quiet, and lightning fast, Revealing close-up performance at all focal lengths, Refined movie imagery with minimized focus breathing, focus and axial shift, Optimally balanced for filmmaking with gimbals, Nano AR coating II suppresses reflections, flare and ghosting, Aperture ring, click/de-click switch and iris lock for professional iris control, Natural, linear and precise manual focus response, Customizable focus hold buttons, AF/MF switch provide direct control, Dust and moisture resistant for robust reliability4, Front fluorine coating repels fingerprints, dust, water and oil, Petal shaped, ALC-SH177 lens hood with low profile design,