Tamron 17-70mm F/2.8 Di III-A VC RXD vs Sigma 16-28mm F2.8 DG DN | Contemporary 022
Both are Sony E lenses. Here is what actually differs.
Pick the Tamron 17-70mm F/2.8 Di III-A VC RXD if
- You need more reach: 70mm vs 28mm at the long end
- You shoot handheld in dim light or video: it has optical image stabilization and the Sigma 16-28mm F2.8 DG DN | Contemporary 022 does not
- You shoot close-ups: it focuses down to 0.19 m vs 0.25 m
- You want bigger close-ups: 0.21× vs 0.18× maximum magnification
- Our notes say it suits: APS-C walkaround, video
Pick the Sigma 16-28mm F2.8 DG DN | Contemporary 022 if
- You want the lighter lens to carry: 75 g lighter (450 g vs 525 g)
- You want a wider view: 16mm vs 17mm at the wide end
- You shoot full frame: the Tamron 17-70mm F/2.8 Di III-A VC RXD is made for APS-C
- You prefer a newer design: released 2022 vs 2021
- Our notes say it suits: Landscape, interiors
Spec differences
15 differences| Tamron 17-70mm F/2.8 Di III-A VC RXD | Sigma 16-28mm F2.8 DG DN | Contemporary 022 | |
|---|---|---|
| Brand |
Tamron
|
Sigma
|
| Type |
Zoom
|
Wide Zoom
|
| Format |
APS-C
|
Full frame
|
| Focal length |
17-70mm
|
16-28mm
|
| Weight |
525 g
|
450 g
lighter
|
| Length |
119.3 mm
|
102.6 mm
shorter
|
| Diameter |
74.6 mm
slimmer
|
77.2 mm
|
| Filter thread |
67 mm
|
72 mm
|
| Min focus distance |
0.19 m
closer
|
0.25 m
|
| Max magnification |
0.21×
larger
|
0.18×
|
| Optical design |
16 elements / 12 groups
|
not listed
|
| Autofocus motor |
RXD
|
Stepping motor
|
| Image stabilization |
Yes
stabilized
|
No
|
| Weather sealing |
Yes
|
not listed
|
| Released |
2021
|
2022
|
3 identical specs hidden: mount, max aperture, aperture blades. Show all
- Mount
- Sony E both
- Max aperture
- f/2.8 both
- Aperture blades
- 9 both
Our notes
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
Our notes
Sigma 16-28mm F2.8 DG DN | Contemporary 022
A compact wide-angle zoom for full-frame mirrorless with constant f/2.8 from Sigma's Contemporary line. It weighs about 450 g and takes 72mm filters.
Pros
- Constant f/2.8
- Compact and light for its range
- Screw-in filter thread
Cons
- Short zoom range
- Not as wide as 14-24mm options
More comparisons
Sony FE 24-70mm f/2.8 GM vs Tamron 17-70mm F/2.8 Di III-A VC RXD
0.24× magnification vs 361 g lighter
Sony FE 24-70mm f/2.8 GM vs Sigma 16-28mm F2.8 DG DN | Contemporary 022
more reach (70mm) vs 436 g lighter
Sony FE 12-24mm F2.8 GM vs Tamron 17-70mm F/2.8 Di III-A VC RXD
wider (12mm) vs 322 g lighter
Sony FE 12-24mm F2.8 GM vs Sigma 16-28mm F2.8 DG DN | Contemporary 022
wider (12mm) vs 397 g lighter
Tamron 17-70mm F/2.8 Di III-A VC RXD vs Sigma 10-18mm F2.8 DC DN | Contemporary 023
more reach (70mm) vs 270 g lighter
Tamron 11-20mm F/2.8 Di III-A RXD vs Sigma 16-28mm F2.8 DG DN | Contemporary 022
115 g lighter vs more reach (28mm)