The Samyang 24mm F1.4 Aspherical Wide Angle Lens is available for Canon, Nikon, Sony, Pentax, Olympus & Samsung NX mounts. This manual focus lens features a large f1.4 aperture and is made of 13 elements in 12 groups. The 24mm focus is tailor-made for most of the sensors available on the market today. On full-frame cameras, the lens is a high-quality wide-angle lens perfect for street, landscape and architectural shooting. On DX sensors, the user will get just the perfect lens for journalist and landscape photography. When attached to Four Thirds cameras, the lens will create a universal and bright construction corresponding to a 50mm focus.