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Sony FE 28-70mm f/2 GM vs Samyang AF 18-45mm f/4-5.6 FE

Both are Sony E mount zooms for everyday — 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

SpecSony FE 28-70mm f/2 GMSamyang AF 18-45mm f/4-5.6 FE
Focal length28-70mm18-45mm
Max aperturef/2f/4-5.6
Typezoomzoom
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

Check the Sony FE 28-70mm f/2 GM price on Amazon →

Check the Samyang AF 18-45mm f/4-5.6 FE price on Amazon →

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FAQ

What's the difference between the Sony FE 28-70mm f/2 GM and the Samyang AF 18-45mm f/4-5.6 FE?
The Sony FE 28-70mm f/2 GM is 28-70mm f/2 zoom, full-frame; the Samyang AF 18-45mm f/4-5.6 FE is 18-45mm f/4-5.6 zoom, full-frame. Both fit the Sony E mount.

Which is better in low light, the Sony FE 28-70mm f/2 GM or the Samyang AF 18-45mm f/4-5.6 FE?
The Sony FE 28-70mm f/2 GM — its f/2 maximum aperture lets in more light and gives more background blur than the f/4-5.6 of the other.

Do the Sony FE 28-70mm f/2 GM and Samyang AF 18-45mm f/4-5.6 FE 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).

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