Key Features: For use with full-frame mirrorless cameras 90mm focal length ideal for portraits, close details and more Bright F2.8 aperture Very light and compact for a lens of its type Super Low-Dispersion and aspherical elements Smooth, natural-looking bokeh Good performance in low light Quality In A Small Body The Sigma 90mm F2.8 DG | C lens is a premium compact prime lens in a portable form factor. Weighing in at less than 300g, this lens is portable enough to be carried around for casual daily shooting and is ideal for travel as it won't weigh you down and won't take a lot of room in your camera bag. It is suited to a range of different shooting types such as portraits, close details, street and much more. Beautiful Portraits The 90mm focal length offers a flattering perspective for shooting portraits, delivering subtle background compression which beautifully isolates your subject whilst maintaining sharp detail. The bright F2.8 aperture provides lovely soft, natural-looking bokeh which is not distracting to the main feature of the frame. It's also well-suited to street photography and any time that you might want to capture fairly distant subjects without distortion. High-Performance Optics This lens features an advanced optical construction, meaning no compromise on image quality despite it being so compact and lightweight. It is constructed of 11 elements in 10 groups, including SLD (Special Low-Dispersion) and aspherical elements, which combine to minimise chromatic aberration, distortion and vignetting and help to deliver sharp, high-resolution images across the frame, even when shooting wide open at F2.8.