Sigma 17mm F4 DG DN | Contemporary (L-mount)

OverviewPacking a huge field of view in a diminutive size, the Sigma 17mm f/4 DG DN Contemporary Lens offers the ultra-wide perspective beloved by landscape shooters, street photographers, and those working with interior and architectural subjects in a compact, portable size for everyday use.Presenting an immersive field of view, this wide-angle prime pairs its broad perspective with a modest f/4 maximum aperture, which helps to keep the overall size and weight as small as possible, and capable optics to render scenes with high sharpness, accuracy, and low distortion. An ultra-wide like this is a perfect partner for lightweight landscape kits, everyday shooting of architecture subjects and interior scenes, and even as a creative option for unique portraits and vlogging. Contemporary Line lens features a sleek design that measures approximately 2.5 x 2" and a weight of just under 8 oz, making it portable enough for everyday shooting needs without compromising on optics or performance. Internal focusing design pairs with a stepping AF motor for responsive and fast focusing performance that's suitable for both stills and video applications. Optical design includes two SLD elements and three aspherical elements, to optimize sharpness and limit distortion, and a Super Multi-Layer Coating that controls flare and reflections. Close minimum focusing distance of just 4.7" suits working with close-up subjects. Rounded 7-blade diaphragm contributes to a smooth and pleasing bokeh quality. Compatible with Sigma UD-11 USB Dock for L-Mount lenses. Dust and splash-resistant construction with a brass bayonet mount for ensured accuracy and durability. Key Features Full-Frame | f/4 to f/22 Compact Ultra-Wide Angle Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 7-Blade Diaphragm In the Box Sigma 17mm F4 DG DN | Contemporary (L-mount) Sigma LCF-55 III 55mm Lens Cap Sigma LCF5501M Magnetic Metal Lens Cap Sigma LCR II Rear Lens Cap for Leica L Sigma Lens Hood for 17mm f/4 DG DN Contemporary Lens