Sony FE 70-200mm f/2.8 GM OSS 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
- Tamron 17-70mm F/2.8 Di III-A VC RXD goes wider (17mm vs 70mm).
- Sony FE 70-200mm f/2.8 GM OSS reaches further (200mm vs 70mm).
| Spec | FE 70-200mm f/2.8 GM OSS | 17-70mm F/2.8 Di III-A VC RXD |
|---|---|---|
| Brand | Sony | Tamron |
| Mount | Sony E | Sony E |
| Type | Telephoto Zoom | Zoom |
| Focal length | 70-200mm | 17-70mm (wider) |
| Max aperture | f/2.8 | f/2.8 |
| Released | 2016 | n/a |
| Format | full-frame | n/a |
| Weight g | 1480.0 | n/a |
| Filter mm | 77 | n/a |
| Length mm | 205.3 | n/a |
| Stabilized | Yes | n/a |
| Diameter mm | 88.0 | n/a |
| Min focus m | 0.96 | n/a |
| Max magnification | 0.25 | n/a |
Sony FE 70-200mm f/2.8 GM OSS
Sony's first G Master 70-200mm for E-mount, with a constant f/2.8 aperture, Optical SteadyShot and an internal zoom. It supports Sony's 1.4x and 2x teleconverters.
Pros
- Constant f/2.8 with built-in stabilization
- Internal zoom and focus
- Dust and moisture resistant design
Cons
- Weighs about 1,480 g, much heavier than the Mark II
- Large for travel use
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