| Attribute | Value |
|---|---|
| Lens Construction | 14 elements in 10 groups, including three aspherical elements and three Special Low Dispersion (SLD) lenses |
| Diameter | 83.5 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 63.80 - 102.40 degree |
| Aperture | 4.00 - 22.00 f |
| Notes | Available AF mounts: Sigma, Canon, Nikon, Four-Thirds, Pentax, Sony |
| Filter Size | 77 mm |
| Magnification Ratio | 0.15 x |
| Closest Focus | 0.24 m |
| Focus Details | Internal with HSM |
| Length | 81 mm |
| Diaphragm Blades | 6 |
| APS Equivalent | 1.5x: 15 - 30mm; 1.6x: 16 - 32mm; 2.0x: 20 - 40mm |
| Focal Length | 10.00 - 20.00 mm |
| Image Circle | Image Circle |
| Brand | Sigma |
| Name | Sigma 10-20mm f/4-5.6 EX DC HSM |
| Weight | 470 g |
| Type | Wide Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |