| Attribute | Value |
|---|---|
| Lens Construction | 11 elements in 9 groups, including 2 ELD elements |
| Diameter | 119 mm |
| Diagonal Angle of View | 8.20 degree |
| Aperture | 2.80 - 32.00 f |
| Notes | Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax |
| Filter Size | 46 mm |
| Magnification Ratio | 0.13 x |
| Closest Focus | 2.5 m |
| Focus Details | Internal; HSM with full-time manual override |
| Length | 214.5 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 1.5x: 450mm; 1.6x: 480mm |
| Focal Length | 300.00 mm |
| Image Circle | 35mm |
| Brand | Sigma |
| Name | Sigma APO 300mm ƒ/2.8 EX DG HSM |
| Weight | 2400 g |
| Type | Telephoto Prime |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Zoom System | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |