Sony FE 20-70mm F4 G vs Tamron 50-400mm F4.5-6.3 Di III VC VXD
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sony FE 20-70mm F4 G is faster by 0.3 stops (f/4.0 vs f/4.5), letting in more light.
- Sony FE 20-70mm F4 G is lighter by 667g.
- Sony FE 20-70mm F4 G goes wider (20mm vs 50mm).
- Tamron 50-400mm F4.5-6.3 Di III VC VXD reaches further (400mm vs 70mm).
| Spec | FE 20-70mm F4 G | 50-400mm F4.5-6.3 Di III VC VXD |
|---|---|---|
| Brand | Sony | Tamron |
| Mount | Sony E | Sony E |
| Type | Zoom | Zoom |
| Focal length | 20-70mm (wider) | 50-400mm |
| Max aperture | f/4.0 (faster) | f/4.5 |
| Released | 2023 | n/a |
| Format | full-frame | full-frame |
| Weight g | 488.0 (lighter) | 1155 |
| Filter mm | 72 | 67 |
| Length mm | 99.0 | 183.0 |
| Diameter mm | 78.7 | 89.0 |
| Min focus m | 0.25 | 0.25 |
| Max magnification | 0.39 | n/a |
| Af motor | n/a | VXD |
| Stabilized | n/a | Yes |
Sony FE 20-70mm F4 G
A wide-to-standard full-frame zoom for Sony E-mount with constant f/4. It starts at 20mm, wider than the common 24mm standard zoom.
Pros
- 20mm wide end
- Constant f/4 aperture
- Compact at about 488 g
Cons
- Slower than f/2.8 zooms
- No stabilization in the lens
Tamron 50-400mm F4.5-6.3 Di III VC VXD
Full-frame telephoto zoom for Sony with VC stabilization covering 50-400mm. It reaches 400mm without the weight of a 150-600mm.
Pros
- 8x range
- VC stabilization
- Lighter than 150-600mm lenses at about 1,155 g
Cons
- Slow variable aperture
- Heavier than short telephotos