FitMyLensthe lens-by-mount reference

Sony FE 24mm f/2.8 G vs Sony FE 40mm f/2.5 G

Both are Sony E mount primes for street and travel — 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 24mm f/2.8 GSony FE 40mm f/2.5 G
Focal length24mm40mm
Max aperturef/2.8f/2.5
Typeprimeprime
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

Check the Sony FE 24mm f/2.8 G price on Amazon →

Check the Sony FE 40mm f/2.5 G price on Amazon →

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FAQ

What's the difference between the Sony FE 24mm f/2.8 G and the Sony FE 40mm f/2.5 G?
The Sony FE 24mm f/2.8 G is 24mm f/2.8 prime, full-frame; the Sony FE 40mm f/2.5 G is 40mm f/2.5 prime, full-frame. Both fit the Sony E mount.

Which is better in low light, the Sony FE 24mm f/2.8 G or the Sony FE 40mm f/2.5 G?
The Sony FE 40mm f/2.5 G — its f/2.5 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.

Do the Sony FE 24mm f/2.8 G and Sony FE 40mm f/2.5 G 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