Sony FE 70-200mm f/2.8 GM OSS II vs Sony FE 100-400mm f/4.5-5.6 GM OSS
Both are Sony E mount zooms for telephoto and sports & action — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Sony FE 70-200mm f/2.8 GM OSS II | Sony FE 100-400mm f/4.5-5.6 GM OSS |
|---|---|---|
| Focal length | 70-200mm | 100-400mm |
| Max aperture | f/2.8 | f/4.5-5.6 |
| Type | zoom | zoom |
| Coverage | full-frame | full-frame |
| Mount | Sony E | Sony E |
Which should you buy?
- the Sony FE 70-200mm f/2.8 GM OSS II opens wider (f/2.8) — brighter in low light and more background blur
- the Sony FE 70-200mm f/2.8 GM OSS II covers 70-200mm and the Sony FE 100-400mm f/4.5-5.6 GM OSS covers 100-400mm — pick the range that matches what you shoot
Where to buy
Check the Sony FE 70-200mm f/2.8 GM OSS II price on Amazon →
Check the Sony FE 100-400mm f/4.5-5.6 GM OSS price on Amazon →
FAQ
What's the difference between the Sony FE 70-200mm f/2.8 GM OSS II and the Sony FE 100-400mm f/4.5-5.6 GM OSS?
The Sony FE 70-200mm f/2.8 GM OSS II is 70-200mm f/2.8 zoom, full-frame; the Sony FE 100-400mm f/4.5-5.6 GM OSS is 100-400mm f/4.5-5.6 zoom, full-frame. Both fit the Sony E mount.
Which is better in low light, the Sony FE 70-200mm f/2.8 GM OSS II or the Sony FE 100-400mm f/4.5-5.6 GM OSS?
The Sony FE 70-200mm f/2.8 GM OSS II — its f/2.8 maximum aperture lets in more light and gives more background blur than the f/4.5-5.6 of the other.
Do the Sony FE 70-200mm f/2.8 GM OSS II and Sony FE 100-400mm f/4.5-5.6 GM OSS fit the same camera?
Yes — both are Sony E mount lenses, so they fit Sony a7/a9/a1 (full-frame) and a6000-series (APS-C).
More Sony E comparisons: Sony FE 50mm f/1.4 GM vs Sigma 50mm f/1.4 DG DN Art · Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · Sony E 15mm f/1.4 G vs Sigma 16mm f/1.4 DC DN Contemporary · Sony FE 20-70mm f/4 G vs Tamron 20-40mm f/2.8 Di III VXD · all Sony E lenses · all comparisons