The Sigma 24mm f/1.4 DG HSM Art is a fast wide-angle prime lens designed for full-frame DSLR and mirrorless cameras, delivering exceptional sharpness, minimal distortion, and excellent low-light performance. Featuring a bright f/1.4 aperture, advanced FLD and SLD glass elements, and a super multi-layer coating, it reduces chromatic aberrations and flare for high-contrast, color-accurate images. With a robust thermally stable composite (TSC) and metal construction, fast Hyper Sonic Motor (HSM) autofocus, and a weather-sealed mount, it is ideal for astrophotography, landscapes, and documentary work.