Sony FE 12-24mm F2.8 GM vs Tamron 17-70mm F/2.8 Di III-A VC RXD
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sony FE 12-24mm F2.8 GM goes wider (12mm vs 17mm).
- Tamron 17-70mm F/2.8 Di III-A VC RXD reaches further (70mm vs 24mm).
| Spec | FE 12-24mm F2.8 GM | 17-70mm F/2.8 Di III-A VC RXD |
|---|---|---|
| Brand | Sony | Tamron |
| Mount | Sony E | Sony E |
| Type | Wide Zoom | Zoom |
| Focal length | 12-24mm (wider) | 17-70mm |
| Max aperture | f/2.8 | f/2.8 |
| Released | 2020 | n/a |
| Format | full-frame | n/a |
| Weight g | 847.0 | n/a |
| Length mm | 137.0 | n/a |
| Diameter mm | 97.6 | n/a |
| Min focus m | 0.28 | n/a |
| Max magnification | 0.14 | n/a |
Sony FE 12-24mm F2.8 GM
An f/2.8 ultra-wide zoom for full-frame E-mount covering 12-24mm. The bulbous front element prevents screw-in filters, so filters are handled at the rear or with a holder.
Pros
- Constant f/2.8 at 12mm
- Linear motors for fast focus
- Strong for night-sky work
Cons
- Weighs about 847 g, heavy for a wide zoom
- No front filter thread
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