| Name |
Sigma 20mm ƒ/1.4 DG HSM Art |
| Image Circle |
35mm |
| Type |
Wide Prime |
| Focal Length |
20mm |
| APS Equivalent |
1.5x: 30mm; 1.6x: 32mm |
| Max Aperture |
ƒ/1.4 |
| Min Aperture |
ƒ/16 |
| Diaphragm Blades |
9 (rounded) |
| Lens Construction |
15 elements in 11 groups, including 1 double-sided aspherical, 2 FLD and 5 SLD elements |
| Diagonal Angle of View(Based on image circle) |
94.5 degrees |
| Focus Details |
HSM (Hypersonic Motor) with full-time manual focus override |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
27.7cm / 10.9 in. |
| Magnification Ratio |
0.14x / 1:7.1 |
| Filter Size |
TBD mm |
| Dimensions(Length x Diameter) |
91.4mm x 129.5mm / 5.1 in. x 3.6 in. |
| Weight |
963g / 34 oz |
| Notes |
Available AF Mounts: Sigma SA, Canon EF, L-Mount, Nikon F, Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service |
| Typical Online Price |
US$900 (Avail. Nov. 2015) |
