FitMyLensthe lens-by-mount reference

Viltrox AF 13mm f/1.4 vs Voigtländer Nokton 21mm f/1.4 E

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 2026-06-21 · Sony E mount · prices change — check the retailer

SpecViltrox AF 13mm f/1.4Voigtländer Nokton 21mm f/1.4 E
Focal length13mm21mm
Max aperturef/1.4f/1.4
Typeprimeprime
CoverageAPS-Cfull-frame
MountSony ESony E

Which should you buy?

Where to buy

Check the Viltrox AF 13mm f/1.4 price on Amazon →

Check the Voigtländer Nokton 21mm f/1.4 E price on Amazon →

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FAQ

What's the difference between the Viltrox AF 13mm f/1.4 and the Voigtländer Nokton 21mm f/1.4 E?
The Viltrox AF 13mm f/1.4 is 13mm f/1.4 prime, APS-C; the Voigtländer Nokton 21mm f/1.4 E is 21mm f/1.4 prime, full-frame. Both fit the Sony E mount.

Do the Viltrox AF 13mm f/1.4 and Voigtländer Nokton 21mm f/1.4 E 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 Viltrox AF 13mm f/1.4 is APS-C-only and won't fill a full-frame sensor.

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 14mm f/1.8 GM vs Samyang AF 24mm f/1.8 FE · Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · all Sony E lenses · all comparisons