| Name |
Sigma 20mm f/1.4 DG DN Art |
| Image Circle |
35mm |
| Type |
Wide Prime |
| Focal Length |
20mm |
| APS Equivalent |
1.5x: 30mm |
| Max Aperture |
f/1.4 |
| Min Aperture |
f/16 |
| Diaphragm Blades |
11 (rounded) |
| Lens Construction |
17 elements in 15 groups, with 2 SLD and 3 aspherical lens elements |
| Diagonal Angle of View(Based on image circle) |
94.5 degrees |
| Focus Details |
Smooth, quiet and high-speed AF via stepping motor |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
23cm / 9.1in |
| Magnification Ratio |
1:6.1 |
| Filter Size |
82mm |
| Dimensions(Length x Diameter) |
111.2mm x 87.8mm / 4.4 in. x 3.5 in. |
| Weight |
635g / 22.4 oz. |
| Notes |
Available AF Mounts: L-Mount, Sony E-Mount; dust- and splash-resistant construction |
| Typical Online Price |
US$899 |
