The Sigma 70mm F2.8 DG Macro is the first prime macro lens to be adorned with the Art badge. Fully redesigned to deliver exceptional 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
| Lens Construction | 13 elements in 10 groups |
| Angle of View (35mm) | 34.3° |
| Number of Diaphragm Blades | 9 (Rounded diaphragm) |
| Minimum Aperture | F22 |
| Minimum Focusing Distance | 25.8cm/10.2in |
| Filter Size (mm) | φ49㎜ |
| Maximum Magnifications | 1:1 |
| Dimensions (Diameter x Length) |
ø70.8mm x 105.8mm/ 2.8in. x 4.2in. |
| Weight | 515g/18.2oz. |
