Tamron 11-20mm f/2.8 Di III-A RXD vs Sigma 20-60mm f/2.8-4 DG Contemporary
Both are Sony E mount zooms for wide-angle and vlogging — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Tamron 11-20mm f/2.8 Di III-A RXD | Sigma 20-60mm f/2.8-4 DG Contemporary |
|---|---|---|
| Focal length | 11-20mm | 20-60mm |
| Max aperture | f/2.8 | f/2.8-4 |
| Type | zoom | zoom |
| Coverage | APS-C | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Tamron 11-20mm f/2.8 Di III-A RXD covers 11-20mm and the Sigma 20-60mm f/2.8-4 DG Contemporary covers 20-60mm — pick the range that matches what you shoot
- the Sigma 20-60mm f/2.8-4 DG Contemporary covers full-frame (also works on APS-C bodies); the Tamron 11-20mm f/2.8 Di III-A RXD is APS-C-only — it won't fill a full-frame sensor
Where to buy
Tamron 11-20mm f/2.8 Di III-A RXDSee price on Amazon
Sigma 20-60mm f/2.8-4 DG ContemporarySee price on Amazon
FAQ
What's the difference between the Tamron 11-20mm f/2.8 Di III-A RXD and the Sigma 20-60mm f/2.8-4 DG Contemporary?
The Tamron 11-20mm f/2.8 Di III-A RXD is 11-20mm f/2.8 zoom, APS-C; the Sigma 20-60mm f/2.8-4 DG Contemporary is 20-60mm f/2.8-4 zoom, full-frame. Both fit the Sony E mount.
Do the Tamron 11-20mm f/2.8 Di III-A RXD and Sigma 20-60mm f/2.8-4 DG Contemporary 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 Tamron 11-20mm f/2.8 Di III-A RXD is APS-C-only and won't fill a full-frame sensor.
More Sony E comparisons: Viltrox AF 16mm f/1.8 vs Laowa 9mm f/2.8 Zero-D · Samyang AF 24mm f/1.8 FE vs Samyang AF 14mm f/2.8 FE · Tamron 150-500mm f/5-6.7 Di III VC VXD vs Sony E 55-210mm f/4.5-6.3 OSS · Tamron 150-500mm f/5-6.7 Di III VC VXD vs Sony FE 70-200mm f/4 G OSS · all Sony E lenses · all comparisons