Sigma 20mm f/1.4 DG HSM Art Lens for Nikon F Sony Lens while FLD and SLD glass

while FLD and SLD glass elements compensate for various aberrations

Professional outdoor sports

the 24mm is less extreme and generally easier to use for people

Travel and documentary photography

Sigma 20mm f/1.4 DG HSM Art Lens for Nikon F Sony Lens while FLD and SLD glassThe Sigma 20mm 1. 4 DG HSM Art is a state of the art wide angle prime lens designed for Full Frame cameras but will work with APS C sensors as well. Using over 50 years of lens making experience, particularly the knowledge gained from the 35mm 1. 4 Art and the 24mm 1. 4 Art, the 20mm 1. 4 Art is the widest large aperture Art lens to date. The latest optical design allows for the utmost in image quality with careful attention paid to edge to edge