About the Sigma 70mm f/2.8 DG Macro Art Lens for Canon EF
The Sigma 70mm f/2.8 DG Macro Art Lens for Canon EF is the first prime macro lens to be adorned with the Art badge. Fully redesigned to deliver exception 1:1 (life-sized) magnification, the 70mm F2.8 DG Macro lens features a new coreless DC motor for extremely smooth autofocus performance. Prioritizing optical performance, the lens features an extending, floating, two-group focus mechanism. This configuration minimizes aberration to produce optimal results at any focus distance.