| Name |
Sigma 15-30mm f/3.5-4.5 EX DG Aspherical |
| Image Circle |
35mm |
| Type |
Wide Zoom |
| Focal Length |
15 - 30mm |
| APS Equivalent |
1.5x: 22.5 - 45mm; 1.6x: 24 - 48mm |
| Max Aperture |
f/3.5 - 4.5 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
8 |
| Lens Construction |
17 elements in 13 groups, including 2 aspherical elements |
| Diagonal Angle of View(Based on image circle) |
110.5 to 71.6 degrees |
| Focus Details |
Internal Focus with Dual Focus mechanism |
| Front Element Rotation |
No |
| Zoom System |
Rotary |
| Closest Focus |
30cm / 11.8 in. |
| Magnification Ratio |
0.17x / 1:6 |
| Filter Size |
Rear (Gelatin Filter) |
| Dimensions(Length x Diameter) |
132.5mm x 87mm / 5.1 in. x 3.4 in. |
| Weight |
615g / 21.8 oz |
| Notes |
Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax |
| Typical Online Price |
US$499.99 |