Sigma A 20 mm f/1.4 DG HSM - lens review
After very successful launches of full frame fixed focal length lenses from the Art series such as the 1.4/24, the 1.4/35 and the 1.4/50 there were speculation about the next Sigma move. In October 2015 they presented the A 20 mm f/1.4 DG HSM. Today we would like to present our review of this lens. Enjoy!