| Attribute | Value |
|---|---|
| Lens Construction | 21 elements in 15 groups, including 3 SLD elements |
| Diameter | 92.5 mm |
| Zoom System | Rotary |
| Aperture | 4.50 - 22.00 f |
| Notes | Optically Stabilized; Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony |
| Filter Size | 77 mm |
| Magnification Ratio | 0.24 x |
| Closest Focus | 1.5 m |
| Focus Details | Internal, with HSM |
| Length | 203.5 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 1.5x: 180 - 600mm; 1.6x: 192 - 640mm |
| Focal Length | 120.00 - 400.00 mm |
| Image Circle | 35mm |
| Brand | Sigma |
| Name | Sigma 120-400mm f/4.5-5.6 DG OS HSM APO |
| Weight | 1750 g |
| Type | Telephoto Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diagonal Angle of View | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |