| Name |
Sigma 18-50mm ƒ/2.8 EX DC Macro |
| Image Circle |
APS-C |
| Type |
Standard Zoom |
| Focal Length |
18 - 50mm |
| APS Equivalent |
1.5x: 27 - 75mm; 1.6x: 28.8 - 80mm |
| Max Aperture |
ƒ/2.8 |
| Min Aperture |
ƒ/22 |
| Diaphragm Blades |
7 |
| Lens Construction |
15 elements in 13 groups, including aspherical and Special Low Dispersion (SLD) elementss |
| Diagonal Angle of View(Based on image circle) |
69.3 to 27.9 degrees |
| Focus Details |
Internal focusing system |
| Front Element Rotation |
No |
| Zoom System |
Rotary, non-telescoping |
| Closest Focus |
20cm / 7.9 in. |
| Magnification Ratio |
0.33x / 1:3 |
| Filter Size |
72mm |
| Dimensions(Length x Diameter) |
85.8mm x 79mm / 3.4 in. x 3.1 in. |
| Weight |
450g / 16 oz |
| Notes |
Available AF Mounts: Sigma, Canon, Nikon, Sony, Pentax, Four-Thirds |
| Typical Online Price |
US$420 |
