The Sigma 20mm f/2 DG DN Contemporary Lens for Leica L is a groundbreaking addition to Sigma's I series lineup. This full-frame, compact prime lens for mirrorless systems is designed to deliver stunning optical performance, featuring an ultra-wide 20mm focal length and a bright maximum aperture of F2. Weighing a mere 370g and measuring just 72.4mm in length, this lens is exceptionally portable, making it a practical choice for everyday shooting. It excels in capturing landscapes, wide-angle portraits, weddings, and interiors, and is particularly adept at astrophotography due to its well-controlled sagittal coma flare. This lens is the fourth I series lens with an F2 aperture, joining the 24mm, 35mm, and 65mm lenses, creating a well-matched set for L-Mount and Sony E-mount users. Despite its advanced features, the Sigma 20mm F2 DG DN | Contemporary is almost identical in size and weight to the compact SIGMA 24mm F2 I series, making it a convenient addition to any photographer's kit. The lens features a sleek, all-metal design, complete with a signature I series magnetic lens cap and a manual aperture ring. Its high production quality ensures a highly intuitive and satisfying user experience, enhancing the joy of photography. The lens construction includes three high-precision glass-molded aspherical lens elements, one SLD element, and one FLD element to suppress a range of optical aberrations. This results in clear and sharp images, even in the