| Name | Sigma 28-105mm f/3.8-5.6 UC-III Aspherical IF |
|---|---|
| Image Circle | 35mm |
| Type | Standard Zoom |
| Focal Length | 28 - 105mm |
| APS Equivalent | 1.5x: 42 - 157.5mm; 1.6x: 44.8 - 168mm |
| Max Aperture | f/3.8 - 5.6 |
| Min Aperture | f/22 |
| Diaphragm Blades | 7 |
| Lens Construction | 13 elements in 12 groups, including 1 aspherical element |
| Diagonal Angle of View (Based on image circle) | 75.4 to 23.3 degrees |
| Focus Details | Internal |
| Front Element Rotation | No |
| Zoom System | Rotary |
| Closest Focus | 50cm / 19.7 in. |
| Magnification Ratio | 0.18x / 1:5.6 |
| Filter Size | 62mm |
| Dimensions (Length x Diameter) | 72.5mm x 71mm / 2.9 in. x 2.8 in. |
| Weight | 275g / 9.7 oz |
| Notes | Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax |
| Typical Online Price | US$129.99 |