Product details:

Ultra-wide 20 mm to mid-tele 70 mm zoom range, for a range of movie and still subjects. - Outstanding G Lens image quality with high resolution at all focal lengths - Peak performance AF with two XD Linear Motors for precise, fast, quiet focus drive - Refined movie imagery with minimized focus breathing and focus/axial shift while zooming - Compact, lightweight design for superb image quality and versatility in any situation - Excellent close-up performance of 9.8" (25cm) throughout the zoom range (manual focus) - Constant F4 maximum aperture throughout zoom range for greater flexibility - Circular aperture with 9-blade iris for naturally rendered bokeh - Active Mode5 image stabilization highly effective at ultra-wide 20 mm - Dedicated aperture ring, click/de-click and iris lock switches - Customizable focus hold buttons provided in two locations for easy access and control - ED glass lens elements correct spherical and chromatic aberrations - Linear Response MF for precise, repeatable manual focus control - Instant auto/manual focus selection via AF/MF switch - Front fluorine coating repels fingerprints, dust, water and oil - Dust and moisture resistant6 design for reliability in challenging conditions - Front 72mm threaded for screw-on filters - Petal shaped, bayonet mount lens hood ALC-SH174 supplied