Sony FE 20mm f/1.8 G vs Sony FE 16mm f/1.8 G

Both are Sony E mount primes for wide-angle and astrophotography — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-09-01 · Sony E mount · prices change — check the retailer

Spec	Sony FE 20mm f/1.8 G	Sony FE 16mm f/1.8 G
Focal length	20mm	16mm
Max aperture	f/1.8	f/1.8
Type	prime	prime
Coverage	full-frame	full-frame
Mount	Sony E	Sony E

Which should you buy?

the Sony FE 16mm f/1.8 G (16mm) is wider — more in the frame for street and interiors; the Sony FE 20mm f/1.8 G (20mm) is tighter — more reach and compression for portraits

Where to buy

Sony FE 20mm F1.8 G Full-Frame Ultra-Wide Prime Lens

Sony FE 20mm f/1.8 GSee price on Amazon

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Sony FE 16mm f/1.8 GSee price on Amazon

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FAQ

What's the difference between the Sony FE 20mm f/1.8 G and the Sony FE 16mm f/1.8 G?
The Sony FE 20mm f/1.8 G is 20mm f/1.8 prime, full-frame; the Sony FE 16mm f/1.8 G is 16mm f/1.8 prime, full-frame. Both fit the Sony E mount.

Do the Sony FE 20mm f/1.8 G and Sony FE 16mm f/1.8 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).

Citing these specs? Go ahead — manufacturer data, last verified 2026-09-01. Copy a ready-made reference:

More Sony E comparisons: Sigma 18-50mm f/2.8 DC DN Contemporary vs Sony E 16-55mm f/2.8 G · Sigma 30mm f/1.4 DC DN Contemporary vs Sony FE 35mm f/1.4 GM · Sony FE 20mm f/1.8 G vs 7Artisans AF 24mm f/1.8 · Sony FE 20mm f/1.8 G vs Yongnuo YN 11mm f/1.8S DA DSM WL · all Sony E lenses · all comparisons

Sony FE 20mm f/1.8 GAffiliate linkSee price on Amazon