Does the Viltrox AF 16mm f/1.8 fit the Sony a7 III?

Yes. The Viltrox AF 16mm f/1.8 is a Sony E lens and the Sony a7 III is a Sony E body, so it mounts natively. Both are full-frame, so 16mm is the true field of view — no crop factor.

Last verified 2026-06-21 · Sony E mount · Viltrox full-frame lens · Sony full-frame body

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VILTROX AF 16mm f/1.8 FE Full Frame Lens for Sony E, Autofocus Lens with Built-in LCD Screen, Large Aperture for Sony E-

Check the Viltrox AF 16mm f/1.8 price on Amazon →

What the Viltrox AF 16mm f/1.8 gives you on the Sony a7 III

Field of view: 16mm (true full-frame field of view)
Maximum aperture: f/1.8
Type: prime
Where it lands: ultra-wide on the Sony a7 III (8–23mm equivalent) — 25 of the 103 Sony E lenses reach this range here, the brightest being the Sony E 15mm f/1.4 G at f/1.4
Tagged for: Wide-angle Astrophotography Landscape

Anything to watch for?

No. The Viltrox AF 16mm f/1.8 and the Sony a7 III are both Sony E full-frame, which is the fully native pairing — the lens covers the whole sensor and the marked 16mm is the field of view you get.

Other Sony E lenses that use the Sony a7 III's full-frame sensor

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Focal	Lens	Buy	Max aperture	Type	Coverage	Best for
16-25mm	Sony FE 16-25mm f/2.8 G	Amazon →	f/2.8	zoom	Full-frame	Wide-angle Landscape Travel
16-35mm	Sony FE 16-35mm f/2.8 GM II	Amazon →	f/2.8	zoom	Full-frame	Wide-angle Landscape Pro standard zoom
16-35mm	Sony FE 16-35mm f/4 PZ G	Amazon →	f/4	zoom	Full-frame	Wide-angle Landscape Vlogging Pro standard zoom
16-28mm	Viltrox AF 16-28mm f/2.8	Amazon →	f/2.8	zoom	Full-frame	Wide-angle Landscape Pro standard zoom
17-28mm	Tamron 17-28mm f/2.8 Di III RXD	Amazon →	f/2.8	zoom	Full-frame	Wide-angle Landscape Budget pro
15mm	Laowa 15mm f/2 Zero-D FE	Amazon →	f/2	prime	Full-frame	Wide-angle Astrophotography Landscape Low-light
14-24mm	Sigma 14-24mm f/2.8 DG DN Art	Amazon →	f/2.8	zoom	Full-frame	Wide-angle Astrophotography Landscape
14mm	Sony FE 14mm f/1.8 GM	Amazon →	f/1.8	prime	Full-frame	Wide-angle Astrophotography Landscape Low-light

All 103 Sony E lenses fit the Sony a7 III; 76 of them use its full-frame sensor at full resolution — check any lens against this body · best lenses for the Sony a7 III

Nearby lenses on the Sony a7 III

Sony FE 16-25mm f/2.8 G Sony FE 16-35mm f/2.8 GM II Sony FE 16-35mm f/4 PZ G Viltrox AF 16-28mm f/2.8 Sony E 10-20mm f/4 PZ G Sony E 11mm f/1.8

FAQ

Does the Viltrox AF 16mm f/1.8 fit the Sony a7 III?
Yes. The Viltrox AF 16mm f/1.8 is a Sony E lens and the Sony a7 III is a Sony E body. Lens-to-body compatibility is decided by the mount, so it fits natively.

Will autofocus work?
We do not publish autofocus behaviour — FitMyLens stores only the specs that are fixed facts of the product (mount, focal length, maximum aperture, sensor coverage). Check the Viltrox product page for AF support on the Sony a7 III.

What focal length will I actually get?
16mm. The Sony a7 III is full-frame and the Viltrox AF 16mm f/1.8 is a full-frame lens, so the marked focal length is the field of view you get.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-21. Copy a ready-made reference:

More: Viltrox AF 16mm f/1.8 specs · Every lens on the Sony a7 III · Best lenses for the Sony a7 III · All Sony E lenses · All cameras