Sigma 14-24mm F2.8 DG HSM Art Lens for Nikon Darkroom Chemistry the magnetic back facilitates instant

the magnetic back facilitates instant attachment to metal surfaces

plants and much more

and suppress flare and the fluctuation of aberration at the time of focusing

and a rolling case for transport and storage

Sigma 14-24mm F2.8 DG HSM Art Lens for Nikon Darkroom Chemistry the magnetic back facilitates instantOutstanding Art Lens Performance Designed for 50 megapixel plus cameras, the 14 24mm F2. 8 DG HSM Art achieves the legendary Art lens sharpness with three FLD glass elements, three SLD glass elements, and three aspherical lens elements, including one 80mm high precision molded glass aspherical element. With near zero distortion (less than 1%) and minimal transverse chromatic aberration, flare and ghosting, the new Sigma 14 24mm offers constant F2. 8