| Attribute | Value |
|---|---|
| Lens Construction | 7 elements in 7 groups, including a hybrid aspherical lens and two Special Low Dispersion elements |
| Diameter | 75.5 mm |
| Diagonal Angle of View | 45.00 degree |
| Aperture | 1.40 - 16.00 f |
| Notes | Available AF mounts: [HSM version]: Sigma, Canon, Nikon, Four-Thirds; [w/o HSM]: Pentax, Sony |
| Filter Size | 62 mm |
| Magnification Ratio | 0.1 x |
| Closest Focus | 0.4 m |
| Focus Details | Internal focusing system with HSM |
| Length | 59 mm |
| Diaphragm Blades | 8 |
| APS Equivalent | 1.5x: 45mm; 1.6x: 48mm |
| Focal Length | 30.00 mm |
| Image Circle | Image Circle |
| Brand | Sigma |
| Name | Sigma 30mm f/1.4 EX DC HSM |
| Weight | 430 g |
| Type | Standard 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 |