| Attribute | Value |
|---|---|
| Focus Details | Internal, with Hyper-Sonic Motor; AF/MF switch |
| Diameter | 83.5 mm |
| Zoom System | Rotary with lock |
| Diagonal Angle of View | 27.90 - 72.40 degree |
| Diaphragm Blades Type | rounded |
| Aperture | 2.80 - 22.00 f |
| Notes | Image Stabilized (except for Pentax and Sony mounts). Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony. Included Accessories: Case, Petal-type |
| Filter Size | 77 mm |
| Magnification Ratio | 0.2 x |
| Closest Focus | 0.28 m |
| Length | 91.8 mm |
| Lens Construction | 17 elements in 13 groups, including 2 FLD glass elements |
| Diaphragm Blades | 7 |
| APS Equivalent | 1.5x: 26 - 75mm; 1.6x: 27 - 80mm |
| Focal Length | 17.00 - 50.00 mm |
| Image Circle | APS-C |
| Brand | Sigma |
| Name | Sigma 17-50mm ƒ/2.8 EX DC OS HSM |
| Weight | 565 g |
| Type | Standard Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Front Element Rotation | Add |