| Attribute | Value |
|---|---|
| Lens Construction | 17 elements in 13 groups, including 2 aspherical elements |
| Diameter | 87 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 71.60 - 110.50 degree |
| Aperture | 3.50 - 22.00 f |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax |
| Magnification Ratio | 0.17 x |
| Closest Focus | 0.3 m |
| Focus Details | Internal Focus with Dual Focus mechanism |
| Length | 132.5 mm |
| Diaphragm Blades | 8 |
| APS Equivalent | 1.5x: 22.5 - 45mm; 1.6x: 24 - 48mm |
| Focal Length | 15.00 - 30.00 mm |
| Image Circle | 35mm |
| Brand | Sigma |
| Name | Sigma 15-30mm f/3.5-4.5 EX DG Aspherical |
| Weight | 615 g |
| Type | Wide Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Filter Size | Add |
| Front Element Rotation | Add |