MTF ChartOptical DesignClass-leading wideangle NIKKOR lens with ultra-fast aperture. The superior optical design delivers outstandingly sharp images, even in low light, and incorporates Nikon\'s Nano Crystal coat that greatly reduces ghosting and flare. The large maximum aperture offers a bright viewfinder image and Nikon\'s Silent Wave Motor enables fast, quiet autofocus. Ideal for use with Nikon\'s FX-format cameras, this lens raises the benchmark for wide-angle photography.Professional ultra-fast aperture wide-angle lens24 mm focal length (DX equivalent 36 mm).Bright viewfinder image9-blade rounded aperture produces soft and pleasing blur characteristics.Nano Crystal coat reduces ghost and flare.ED (Extra low Dispersion) glass and aspherical lens elements ensure high resolution and superior contrast.SWM (Silent Wave Motor) for fast, quiet autofocus.Durable magnesium body with rubber mount seal.Sample Image