Name |
Sigma 20mm f/2 DG DN Contemporary |
Image Circle |
35mm |
Type |
Wide Prime |
Focal Length |
20mm |
APS Equivalent |
1.5x: 30mm |
Max Aperture |
f/2 |
Min Aperture |
f/22 |
Diaphragm Blades |
9 (rounded) |
Lens Construction |
13 elements in 11 groups, with 1 FLD, 1 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 |
22cm / 8.7in |
Magnification Ratio |
1:6.7 |
Filter Size |
62mm |
Dimensions(Length x Diameter) |
72.4mm x 70mm / 2.9 in. x 2.8 in. |
Weight |
370g / 13.1 oz. |
Notes |
Available AF Mounts: L-Mount, Sony E-Mount |
Typical Online Price |
US$699.99 |