| 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 |