Sigma 18-50mm f/2.8 DC DN Contemporary vs Tamron 28-75mm f/2.8 Di III VXD G2
Both are Sony E mount zooms for pro standard zoom and everyday — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Sigma 18-50mm f/2.8 DC DN Contemporary | Tamron 28-75mm f/2.8 Di III VXD G2 |
|---|---|---|
| Focal length | 18-50mm | 28-75mm |
| Max aperture | f/2.8 | f/2.8 |
| Type | zoom | zoom |
| Coverage | APS-C | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sigma 18-50mm f/2.8 DC DN Contemporary covers 18-50mm and the Tamron 28-75mm f/2.8 Di III VXD G2 covers 28-75mm — pick the range that matches what you shoot
- the Tamron 28-75mm f/2.8 Di III VXD G2 covers full-frame (also works on APS-C bodies); the Sigma 18-50mm f/2.8 DC DN Contemporary is APS-C-only — it won't fill a full-frame sensor
Where to buy
Sigma 18-50mm f/2.8 DC DN ContemporarySee price on Amazon
Tamron 28-75mm f/2.8 Di III VXD G2See price on Amazon
FAQ
What's the difference between the Sigma 18-50mm f/2.8 DC DN Contemporary and the Tamron 28-75mm f/2.8 Di III VXD G2?
The Sigma 18-50mm f/2.8 DC DN Contemporary is 18-50mm f/2.8 zoom, APS-C; the Tamron 28-75mm f/2.8 Di III VXD G2 is 28-75mm f/2.8 zoom, full-frame. Both fit the Sony E mount.
Do the Sigma 18-50mm f/2.8 DC DN Contemporary and Tamron 28-75mm f/2.8 Di III VXD G2 fit the same camera?
Yes — both are Sony E mount lenses, so they fit Sony a7/a9/a1 (full-frame) and a6000-series (APS-C). Note the Sigma 18-50mm f/2.8 DC DN Contemporary is APS-C-only and won't fill a full-frame sensor.
More Sony E comparisons: Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · Sigma 18-50mm f/2.8 DC DN Contemporary vs Sony E 16-55mm f/2.8 G · Sigma 18-50mm f/2.8 DC DN Contemporary vs Sony FE 24-50mm f/2.8 G · Sigma 23mm f/1.4 DC DN Contemporary vs Sony FE 35mm f/1.4 GM · all Sony E lenses · all comparisons