| Name |
Sigma 180mm ƒ/2.8 EX DG OS HSM APO Macro |
| Image Circle |
35mm |
| Type |
Telephoto Prime Macro |
| Focal Length |
180mm |
| APS Equivalent |
1.5x: 270mm; 1.6x: 288mm |
| Max Aperture |
ƒ/2.8 |
| Min Aperture |
ƒ/22 |
| Diaphragm Blades |
9 (rounded) |
| Lens Construction |
19 elements in 14 groups, including 3 FLD ("F" Low Dispersion) glass elements |
| Diagonal Angle of View(Based on image circle) |
13.7 degrees |
| Focus Details |
Internal with focus limiter; HSM with full-time manual focus override |
| Front Element Rotation |
No |
| Zoom System |
n/a |
| Closest Focus |
47cm / 18.5 in. |
| Magnification Ratio |
1.0x / 1:1 |
| Filter Size |
86mm |
| Dimensions(Length x Diameter) |
203.9mm x 95mm / 8.0 in. x 3.7 in. |
| Weight |
1,640g / 57.8 oz |
| Notes |
Optical Stabilizer (OS) technology offers shutter speeds approximately four stops slower than would otherwise be possible. AF mounts: Canon, Nikon, Sigma, Sony. |
| Typical Online Price |
US$1,700 (Available late July 2012) |
