Samyang 24mm F1.4 ED AS UMC is a high quality, fast aperture, prime wide angle lens for full frame or APS-C sized sensors. It is ideal for full-frame cameras, constituting a high-quality wide-angle lens perfect for shooting street, landscape and architecture even in low light conditions. The sharpness if excellent, even at the edges of the frame at wide apertures, and the fast F1.4 aperture is able to give a narrow depth of field when needed.