Sony E 11mm f/1.8 vs Viltrox AF 20mm f/2.8

Both are Sony E mount primes for wide-angle — 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 E 11mm f/1.8	Viltrox AF 20mm f/2.8
Focal length	11mm	20mm
Max aperture	f/1.8	f/2.8
Type	prime	prime
Coverage	APS-C	full-frame
Mount	Sony E	Sony E

Which should you buy?

the Sony E 11mm f/1.8 opens wider (f/1.8) — brighter in low light and more background blur
the Sony E 11mm f/1.8 (11mm) is wider — more in the frame for street and interiors; the Viltrox AF 20mm f/2.8 (20mm) is tighter — more reach and compression for portraits
the Viltrox AF 20mm f/2.8 covers full-frame (also works on APS-C bodies); the Sony E 11mm f/1.8 is APS-C-only — it won't fill a full-frame sensor
the Sony E 11mm f/1.8 is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Viltrox AF 20mm f/2.8 is third-party — usually the value pick

Where to buy

Sony E 11mm F1.8 APS-C Ultra-Wide-Angle Prime for Cameras, Black

Check the Sony E 11mm f/1.8 price on Amazon →

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VILTROX 20mm f2.8 FE for Sony, AF 20mm f/2.8 FE Lens for Sony E

Check the Viltrox AF 20mm f/2.8 price on Amazon →

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FAQ

What's the difference between the Sony E 11mm f/1.8 and the Viltrox AF 20mm f/2.8?
The Sony E 11mm f/1.8 is 11mm f/1.8 prime, APS-C; the Viltrox AF 20mm f/2.8 is 20mm f/2.8 prime, full-frame. Both fit the Sony E mount.

Which is better in low light, the Sony E 11mm f/1.8 or the Viltrox AF 20mm f/2.8?
The Sony E 11mm f/1.8 — its f/1.8 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.

Do the Sony E 11mm f/1.8 and Viltrox AF 20mm 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). Note the Sony E 11mm f/1.8 is APS-C-only and won't fill a full-frame sensor.

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

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