Fujifilm XF 18-120mm f/4 LM PZ WR vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary

Both are Fujifilm X mount zooms for travel and everyday — 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 18-120mm f/4 LM PZ WR	Sigma 16-300mm f/3.5-6.7 DC OS Contemporary
Focal length	18-120mm	16-300mm
Max aperture	f/4	f/3.5-6.7
Type	zoom	zoom
Coverage	APS-C	APS-C
Mount	Fujifilm X	Fujifilm X

Which should you buy?

the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary opens wider (f/3.5-6.7) — brighter in low light and more background blur
the Fujifilm XF 18-120mm f/4 LM PZ WR covers 18-120mm and the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary covers 16-300mm — pick the range that matches what you shoot
the Fujifilm XF 18-120mm f/4 LM PZ WR is first-party (Fujifilm) for guaranteed full autofocus and in-camera corrections; the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary is third-party — usually the value pick

Where to buy

Fujifilm Fujinon XF18-120mmF4 LM PZ WR Lens

Fujifilm XF 18-120mm f/4 LM PZ WRSee price on Amazon

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Sigma 16-300mm F3.5-6.7 DC OS | Contemporary Lens for Fuji X Mount

Sigma 16-300mm f/3.5-6.7 DC OS ContemporarySee price on Amazon

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FAQ

What's the difference between the Fujifilm XF 18-120mm f/4 LM PZ WR and the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary?
The Fujifilm XF 18-120mm f/4 LM PZ WR is 18-120mm f/4 zoom, APS-C; the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary is 16-300mm f/3.5-6.7 zoom, APS-C. Both fit the Fujifilm X mount.

Which is better in low light, the Fujifilm XF 18-120mm f/4 LM PZ WR or the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary?
The Sigma 16-300mm f/3.5-6.7 DC OS Contemporary — its f/3.5-6.7 maximum aperture lets in more light and gives more background blur than the f/4 of the other.

Do the Fujifilm XF 18-120mm f/4 LM PZ WR and Sigma 16-300mm f/3.5-6.7 DC OS Contemporary 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:

More Fujifilm X comparisons: Fujifilm XF 150-600mm f/5.6-8 R LM OIS WR vs Fujifilm XF 70-300mm f/4-5.6 R LM OIS WR · Fujifilm XF 16-55mm f/2.8 R LM WR vs Fujifilm XF 16-80mm f/4 R OIS WR · Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary · Fujifilm XC 16-50mm f/3.5-5.6 OIS II vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary · all Fujifilm X lenses · all comparisons

Fujifilm XF 18-120mm f/4 LM PZ WRAffiliate linkSee price on Amazon