The new 20mm F1.4 DG HSM Art joins the Sigma art line. This lens is the arena’s first 20mm Prime lens that has achieved the huge aperture F1.4 for full-frame DSLRs
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Optical designs are very immune to strong incidental light sources such as backlight
Minimized Chromatic aberration, distortion, and ghosting. Weight is 2.1 pounds
This lens delivers very good brightness and bokeh and is the perfect high-speed lens for snapshots.
The Sigma 20mm F1.4 DG HSM will also be regarded as the culmination of the Art line in relation with F1.4 series