| Name |
Sigma 28-70mm f/2.8 DG DN Contemporary |
| Image Circle |
35mm |
| Type |
Standard Zoom |
| Focal Length |
28 - 70mm |
| APS Equivalent |
42 - 105mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
9 (rounded) |
| Lens Construction |
16 elements in 12 groups, including 2 FLD, 2 SLD and 3 aspherical elements; Super Multi-Layer Coating, Nano Porous Coating. |
| Diagonal Angle of View(Based on image circle) |
75.4 to 34.3 degrees |
| Focus Details |
Internal focus with stepping motor; AF/MF switch; Supports DMF, AF+MF on Sony cameras |
| Front Element Rotation |
No |
| Zoom System |
Rotary |
| Closest Focus |
19cm (wide) - 38cm (tele) / 7.5-15in |
| Magnification Ratio |
3.3 to 4.6x |
| Filter Size |
67mm |
| Dimensions(Length x Diameter) |
101.5mm x 72.2mm / 4 in. x 2.8 in. |
| Weight |
470g / 16.6 oz |
| Notes |
Available AF Mounts: L-Mount, E-Mount; Dust- and splash-proof at lens mount |
| Typical Online Price |
US$899 (Available Mar. 2021) |
