| Name |
Sigma 28-70mm f/2.8 EX DG |
| Image Circle |
35mm |
| Type |
Standard Zoom |
| Focal Length |
28 - 70mm |
| APS Equivalent |
1.5x: 42 - 105mm; 1.6x: 44.8 - 112mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
9 |
| Lens Construction |
14 elements in 12 groups, including 4 aspherical and 2 SLD elements |
| Diagonal Angle of View(Based on image circle) |
75.4 to 34.3 degrees |
| Focus Details |
|
| Front Element Rotation |
No |
| Zoom System |
Rotary with lock |
| Closest Focus |
33cm / 13 in. |
| Magnification Ratio |
0.23x / 1:4.4 |
| Filter Size |
67mm |
| Dimensions(Length x Diameter) |
87.2mm x 74mm / 3.4 in. x 2.9 in. |
| Weight |
510g / 18.1 oz |
| Notes |
Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax |
| Typical Online Price |
US$319.00 |
