| Attribute | Value |
|---|---|
| Lens Construction | 18 elements in 16 groups, including 4 SLD elements |
| Diameter | 112.8 mm |
| Zoom System | Rotary; Internal |
| Diagonal Angle of View | 8.20 - 20.40 degree |
| Aperture | 2.80 - 32.00 f |
| Notes | Available AF Mounts: Sigma, Canon, Nikon |
| Filter Size | 105 mm |
| Magnification Ratio | 0.12 x |
| Closest Focus | 1.5 m |
| Focus Details | Internal; HSM with full-time manual override |
| Length | 271 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 1.5x: 180 - 450mm; 1.6x: 192 - 480mm |
| Focal Length | 120.00 - 300.00 mm |
| Image Circle | 35mm |
| Brand | Sigma |
| Name | Sigma APO 120-300mm f/2.8 EX IF HSM |
| Weight | 2600 g |
| Type | Telephoto 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 |