FitMyLensthe lens-by-mount reference

Tamron 17-28mm f/2.8 Di III RXD vs Viltrox AF 16-28mm f/2.8

Both are Sony E mount zooms for wide-angle and landscape — 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

SpecTamron 17-28mm f/2.8 Di III RXDViltrox AF 16-28mm f/2.8
Focal length17-28mm16-28mm
Max aperturef/2.8f/2.8
Typezoomzoom
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

Check the Tamron 17-28mm f/2.8 Di III RXD price on Amazon →

Check the Viltrox AF 16-28mm f/2.8 price on Amazon →

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FAQ

What's the difference between the Tamron 17-28mm f/2.8 Di III RXD and the Viltrox AF 16-28mm f/2.8?
The Tamron 17-28mm f/2.8 Di III RXD is 17-28mm f/2.8 zoom, full-frame; the Viltrox AF 16-28mm f/2.8 is 16-28mm f/2.8 zoom, full-frame. Both fit the Sony E mount.

Do the Tamron 17-28mm f/2.8 Di III RXD and Viltrox AF 16-28mm f/2.8 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: Sigma 16mm f/1.4 DC DN Contemporary vs Sony E 15mm f/1.4 G · Sigma 50mm f/1.4 DG DN Art vs Sony FE 50mm f/1.4 GM · Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · Sony FE 20-70mm f/4 G vs Tamron 20-40mm f/2.8 Di III VXD · all Sony E lenses · all comparisons