Sony FE 400-800mm F6.3-8 G OSS 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
- Tamron 50-400mm F4.5-6.3 Di III VC VXD is faster by 1 stop (f/4.5 vs f/6.3), letting in more light.
- Tamron 50-400mm F4.5-6.3 Di III VC VXD is lighter by 1320g.
- Tamron 50-400mm F4.5-6.3 Di III VC VXD goes wider (50mm vs 400mm).
- Sony FE 400-800mm F6.3-8 G OSS reaches further (800mm vs 400mm).
| Spec | FE 400-800mm F6.3-8 G OSS | 50-400mm F4.5-6.3 Di III VC VXD |
|---|---|---|
| Brand | Sony | Tamron |
| Mount | Sony E | Sony E |
| Type | Telephoto Zoom | Zoom |
| Focal length | 400-800mm | 50-400mm (wider) |
| Max aperture | f/6.3 | f/4.5 (faster) |
| Released | 2025 | n/a |
| Format | full-frame | full-frame |
| Weight g | 2475.0 | 1155 (lighter) |
| Filter mm | 105 | 67 |
| Length mm | 346.0 | 183.0 |
| Stabilized | Yes | Yes |
| Diameter mm | 119.8 | 89.0 |
| Min focus m | 1.7 | 0.25 (closer focusing) |
| Max magnification | 0.23 | n/a |
| Af motor | n/a | VXD |
Sony FE 400-800mm F6.3-8 G OSS
A super-telephoto zoom for full-frame E-mount spanning 400-800mm, with Optical SteadyShot. It is designed for wildlife and sports where reach matters most.
Pros
- Very long reach
- Optical SteadyShot
- One zoom spans 400-800mm
Cons
- Slow variable aperture
- Large and heavy at about 2,475 g
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