Tamron 17-70mm F/2.8 Di III-A VC RXD vs Sigma 10-18mm F2.8 DC DN | Contemporary 023
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sigma 10-18mm F2.8 DC DN | Contemporary 023 goes wider (10mm vs 17mm).
- Tamron 17-70mm F/2.8 Di III-A VC RXD reaches further (70mm vs 18mm).
| Spec | 17-70mm F/2.8 Di III-A VC RXD | 10-18mm F2.8 DC DN | Contemporary 023 |
|---|---|---|
| Brand | Tamron | Sigma |
| Mount | Sony E | Sony E |
| Type | Zoom | Wide Zoom |
| Focal length | 17-70mm | 10-18mm (wider) |
| Max aperture | f/2.8 | f/2.8 |
| Blades | n/a | 7 |
| Format | n/a | aps-c |
| Groups | n/a | 10 |
| Af motor | n/a | Stepping motor |
| Elements | n/a | 13 |
| Weight g | n/a | 255 |
| Filter mm | n/a | 67 |
| Length mm | n/a | 64.0 |
| Diameter mm | n/a | 72.2 |
| Min focus m | n/a | 0.116 |
| Max magnification | n/a | 0.25 |
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 10-18mm F2.8 DC DN | Contemporary 023
A wide-angle f/2.8 zoom for APS-C mirrorless from Sigma's Contemporary line. It weighs about 255 g and focuses as close as 0.116 m.
Pros
- Constant f/2.8
- Compact at about 255 g
- Close focus to 0.116 m
Cons
- Limited zoom range
- No stabilization