- FX coverage, available in Sigma SA, Nikon F, Canon EF, and Sony FE mount
- Dust and splash proof construction
- Autofocus (in-lens focus motor), internal focus
- 17 elements in 12 groups, 1 aspherical, 3 FLD, 2 SLD elements
- 9-blade aperture diaphragm
- smallest aperture is f/16
- 105mm filter ring
- 39" (0.1m) minimum focus; 1:8.3 maximum reproduction ratio
- 5.2 x 4.6" (131.5 x 115.9mm) long, diameter
- 58 ounces (1685g) weight
- included lens hood, soft case, caps
- US$1599
- Model Number 259
- Announced February 27, 2018