An ultra-wide zoom lens with a constant aperture of f/2.8, Sigma's DG HSM Art Lens 14-24mm f/2.8 is an excellent choice for architectural and landscape photographers with full frame Nikon F cameras. one part of the popular Art-of-lens series, a sophisticated optical design is used that incorporates three FLDs, three SLDs and three aspherical elements to help reduce chromatic aberrations and keep distortion under control. a Super Multi-Layer coating has also been applied to suppress lens glare and keep distortion under control. a Super Multi-Layer coating has also been applied to suppress lens glare from the lens.
Complementing the imaging capabilities, the lens has a Hyper Sonic Motor to produce a fast, smooth, silent autofocus with full-time manual focus override. The lens features a rounded 9-blade diaphragm that gives a smooth appearance to out-of-focus areas, stops up to f/22, and offers a minimum focusing distance of 10.2". Finally, a sealed brass bayonet mount keeps water and dust away from your camera when taking pictures in difficult conditions.