Top features:- Ultra-wide angle of view that’s ideal for landscape, architectural and indoor photography- Brighter images with an f/3.5 aperture across the zoom range- Fast, quiet autofocus for discreet shootingUltra-wide angle of viewTake in more of those spectacular landscapes and epic architectural structures with the Sigma 10-20 mm f/3.5 EX DC HSM Wide-angle Zoom Lens for Nikon.Designed for Nikon F mounts (APS-C type sensors), it lets you create larger-than-life perspectives that give your shots a real sense of scale. Enhanced separation between subject and background makes for more expressive photography.Brighter imagesMaintain an f/3.5 aperture throughout the zoom range. Brighter images make focusing and composition easier, and help you generate high-resolution prints and image files for publishing.You’ll be able to take quality high-contrast pictures with each shot thanks to special and extra-low dispersion elements. They counteract colour aberrations, flare and ghosting while correcting distortion and astigmatism for consistent photography.Fast, quiet autofocusIf you’re shooting at a wedding, on safari or at a gathering, it helps to use a lens that’s quiet. The Sigma 10-20 mm f/3.5 EX DC HSM works smoothly and near-silently so you can stay discreet when you need to.Autofocus works fast so you miss fewer shots, and you can stay in control with full-time manual focus override on the focus ring. A close 24 cm minimum focusing distance helps you achieve exaggerated perspectives and keep subjects clearly defined against backgrounds.