| Name |
Sigma 45mm f/2.8 DG DN Contemporary |
| Image Circle |
35mm |
| Type |
Wide Prime |
| Focal Length |
45mm |
| APS Equivalent |
1.5x: 67.5mm; 1.6x: 72mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
7 (rounded) |
| Lens Construction |
8 elements in 7 groups |
| Diagonal Angle of View(Based on image circle) |
51.3 degrees |
| Focus Details |
Smooth, quiet and high-speed AF via stepping motor |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
24cm / 9.4 in. |
| Magnification Ratio |
0.25x / 1:4 |
| Filter Size |
55mm |
| Dimensions(Length x Diameter) |
46.2mm x 64.0mm / 1.8 in. x 2.5 in. |
| Weight |
215g / 7.5 oz. |
| Notes |
Available AF Mounts: L-Mount, Sony E-Mount |
| Typical Online Price |
US$550 (Avail. July 2019) |
