Tamron 17-70mm F/2.8 Di III-A VC RXD vs Sigma 14-24mm F2.8 DG DN | Art 019
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sigma 14-24mm F2.8 DG DN | Art 019 goes wider (14mm vs 17mm).
- Tamron 17-70mm F/2.8 Di III-A VC RXD reaches further (70mm vs 24mm).
| Spec | 17-70mm F/2.8 Di III-A VC RXD | 14-24mm F2.8 DG DN | Art 019 |
|---|---|---|
| Brand | Tamron | Sigma |
| Mount | Sony E | Sony E |
| Type | Zoom | Wide Zoom |
| Focal length | 17-70mm | 14-24mm (wider) |
| Max aperture | f/2.8 | f/2.8 |
| Blades | n/a | 11 |
| Format | n/a | full-frame |
| Groups | n/a | 13 |
| Af motor | n/a | Stepping motor |
| Elements | n/a | 18 |
| Weight g | n/a | 795 |
| Length mm | n/a | 133.0 |
| Diameter mm | n/a | 85.0 |
| Min focus m | n/a | 0.28 |
| Max magnification | n/a | 0.14 |
Tamron 17-70mm F/2.8 Di III-A VC RXD
An APS-C standard zoom for Sony E that keeps f/2.8 across 17-70mm and adds VC stabilization. It uses an RXD focus motor.
Pros
- Constant f/2.8 with VC stabilization
- Wide 17-70mm range
- Quiet RXD focus
Cons
- APS-C only
- Larger than a kit zoom
Sigma 14-24mm F2.8 DG DN | Art 019
A wide-angle f/2.8 zoom for full-frame mirrorless in Sigma's Art line, with a bulbous front element and a dust- and splash-proof structure.
Pros
- Constant f/2.8 at an ultra-wide focal length
- Sharp across the frame
- Dust- and splash-proof structure
Cons
- Curved front element means no screw-in filters
- Weighs about 795 g