FitMyLensthe lens-by-mount reference

Sigma 100-400mm f/5-6.3 DG DN OS vs Tamron 150-500mm f/5-6.7 Di III VC VXD

Both are Sony E mount zooms for sports & action and telephoto — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-06-21 · Sony E mount · prices change — check the retailer

SpecSigma 100-400mm f/5-6.3 DG DN OSTamron 150-500mm f/5-6.7 Di III VC VXD
Focal length100-400mm150-500mm
Max aperturef/5-6.3f/5-6.7
Typezoomzoom
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

Check the Sigma 100-400mm f/5-6.3 DG DN OS price on Amazon →

Check the Tamron 150-500mm f/5-6.7 Di III VC VXD price on Amazon →

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FAQ

What's the difference between the Sigma 100-400mm f/5-6.3 DG DN OS and the Tamron 150-500mm f/5-6.7 Di III VC VXD?
The Sigma 100-400mm f/5-6.3 DG DN OS is 100-400mm f/5-6.3 zoom, full-frame; the Tamron 150-500mm f/5-6.7 Di III VC VXD is 150-500mm f/5-6.7 zoom, full-frame. Both fit the Sony E mount.

Do the Sigma 100-400mm f/5-6.3 DG DN OS and Tamron 150-500mm f/5-6.7 Di III VC VXD 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