20mm F1.4 DG DN | Art L-Mount HSM (Hypersonic motor) and inner

HSM (Hypersonic motor) and inner focusing system

On-lens controls include a focus mode switch

Weatherability of Sigma’s Sports line specifications

the compact and lightweight design maximizes the mobility of APS-C cameras

Updated AF system with 1

20mm F1.4 DG DN | Art L-Mount HSM (Hypersonic motor) and innerOutstanding optical quality and a range of invaluable features The ultimate astrophotography lens from the 20mm F1. 4 pioneer The F1. 4 series represents the SIGMA Art line, which pursues the highest optical performance and rich expression. The full frame SIGMA 20mm F1. 4 DG DN Art is a mirrorless version of the SIGMA 20mm F1. 4 DG HSM Art; the one and only lens* with its unique specification of maximum aperture of 1. 4 and an ultra wide angle of