Fujifilm XF 90mm f/2 R LM WR vs Viltrox AF 56mm f/1.7 Air

Both are Fujifilm X mount primes for portrait and low-light — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-09-01 · Fujifilm X mount · prices change — check the retailer

Spec	Fujifilm XF 90mm f/2 R LM WR	Viltrox AF 56mm f/1.7 Air
Focal length	90mm	56mm
Max aperture	f/2	f/1.7
Type	prime	prime
Coverage	APS-C	APS-C
Mount	Fujifilm X	Fujifilm X

Which should you buy?

the Viltrox AF 56mm f/1.7 Air opens wider (f/1.7) — brighter in low light and more background blur
the Viltrox AF 56mm f/1.7 Air (56mm) is wider — more in the frame for street and interiors; the Fujifilm XF 90mm f/2 R LM WR (90mm) is tighter — more reach and compression for portraits
the Fujifilm XF 90mm f/2 R LM WR is first-party (Fujifilm) for guaranteed full autofocus and in-camera corrections; the Viltrox AF 56mm f/1.7 Air is third-party — usually the value pick

Where to buy

Fujifilm XF 90mm f/2 R LM WRSee price on Amazon

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VILTROX 56mm F1.7 Fuji XF, 56mm f/1.7 X Lens for Fujifilm

Viltrox AF 56mm f/1.7 AirSee price on Amazon

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FAQ

What's the difference between the Fujifilm XF 90mm f/2 R LM WR and the Viltrox AF 56mm f/1.7 Air?
The Fujifilm XF 90mm f/2 R LM WR is 90mm f/2 prime, APS-C; the Viltrox AF 56mm f/1.7 Air is 56mm f/1.7 prime, APS-C. Both fit the Fujifilm X mount.

Which is better in low light, the Fujifilm XF 90mm f/2 R LM WR or the Viltrox AF 56mm f/1.7 Air?
The Viltrox AF 56mm f/1.7 Air — its f/1.7 maximum aperture lets in more light and gives more background blur than the f/2 of the other.

Do the Fujifilm XF 90mm f/2 R LM WR and Viltrox AF 56mm f/1.7 Air fit the same camera?
Yes — both are Fujifilm X mount lenses, so they fit Fujifilm X-T/X-H/X-Pro/X-E/X-S series (APS-C).

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

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Fujifilm XF 90mm f/2 R LM WRAffiliate linkSee price on Amazon