| Attribute | Value |
|---|---|
| Focus Details | Internal, with Hyper-Sonic Motor; AF/MF switch |
| Diameter | 79 mm |
| Zoom System | Rotary with lock |
| Diagonal Angle of View | 22.90 - 79.70 degree |
| Diaphragm Blades Type | rounded |
| Aperture | 2.80 - 22.00 f |
| Notes | Image Stabilized (up to 4 stops); Available AF Mounts: Canon, Nikon, Sigma, Pentax, Sony; Accessory: lens hood LH780-03. |
| Filter Size | 72 mm |
| Magnification Ratio | 0.34 x |
| Closest Focus | 0.22 m |
| Length | 82 mm |
| Lens Construction | 16 elements in 14 groups, including FLD, SLD, and 3 aspherical elements |
| Diaphragm Blades | 7 |
| APS Equivalent | 1.5x: 25.5 - 105mm; 1.6x: 27.2 - 112mm |
| Focal Length | 17.00 - 70.00 mm |
| Image Circle | APS-C |
| Brand | Sigma |
| Name | Sigma 17-70mm ƒ/2.8-4 DC Macro OS HSM Contemporary |
| Weight | 470 g |
| Type | Standard Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Front Element Rotation | Add |