| Attribute | Value |
|---|---|
| Lens Construction | 15 elements in 13 groups, including aspherical and Special Low Dispersion (SLD) elementss |
| Diameter | 79 mm |
| Zoom System | Rotary, non-telescoping |
| Diagonal Angle of View | 27.90 - 69.30 degree |
| Aperture | 2.80 - 22.00 f |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Sony, Pentax, Four-Thirds |
| Filter Size | 72 mm |
| Magnification Ratio | 0.33 x |
| Closest Focus | 0.2 m |
| Focus Details | Internal focusing system |
| Length | 85.8 mm |
| Diaphragm Blades | 7 |
| APS Equivalent | 1.5x: 27 - 75mm; 1.6x: 28.8 - 80mm |
| Focal Length | 18.00 - 50.00 mm |
| Image Circle | Image Circle |
| Brand | Sigma |
| Name | Sigma 18-50mm ƒ/2.8 EX DC Macro |
| Weight | 450 g |
| Type | Standard 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 |