Sigma 28-70mm F2.8 DG DN | Contemporary vs Tamron 28-75mm F/2.8 DI III VXD G2
Sony E-Mount
Both are fast standard zooms with constant f/2.8 for Sony E full frame, and both launched in 2021. The Sigma 28-70mm f/2.8 DG DN Contemporary (February 2021) is the more compact lens at 470 g and about 102 mm long. The Tamron 28-75mm f/2.8 Di III VXD G2 (October 2021) is the second generation of Tamron's standard zoom, reaches 5 mm further (75 instead of 70 mm) and has a VXD linear motor. It weighs 540 g and is about 16 mm longer. Both take 67 mm filters and have no built-in stabilization.
So it is mainly packed size and weight against a little more focal length.
Which one suits whom?
- Sigma 28-70mm: You value small packed size and low weight in your camera bag.
- Tamron 28-75mm: You want the extra 5 mm at the long end, for portraits for example, and the newer generation.
Key differences
- Focal length: 28-70 mm on the Sigma 28-70mm F2.8 DG DN | Contemporary, 28-75 mm on the Tamron 28-75mm F/2.8 DI III VXD G2.
- The Sigma 28-70mm F2.8 DG DN | Contemporary is 70 g lighter (470 g vs 540 g).
- The Sigma 28-70mm F2.8 DG DN | Contemporary is 16 mm shorter.
- The Tamron 28-75mm F/2.8 DI III VXD G2 focuses closer: from 18 cm instead of 19 cm.
Specs side by side
The key specs of both lenses side by side.
| Lens | Sigma 28-70mm F2.8 DG DN | Contemporary | Tamron 28-75mm F/2.8 DI III VXD G2 |
|---|---|---|
| Focal length | 28-70 mm | 28-75 mm |
| Max. aperture | f/2.8 | f/2.8 |
| Weight | 470 g | 540 g |
| Filter diameter | 67 mm | 67 mm |
| Min. focus distance | 19 cm | 18 cm |
| Length | 102 mm | 118 mm |
| Autofocus | yes | yes |
| Image stabilization | no | no |
Size comparison
- Sigma 28-70mm F2.8 DG DN | Contemporary: 102 × 72 mm
- Tamron 28-75mm F/2.8 DI III VXD G2: 118 × 76 mm
Side view to the same scale, length × diameter (without lens hood).