Sigma 18-50mm f/2.8 DC DN Contemporary vs Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ

Both are Fujifilm X mount zooms for everyday and travel — 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	Sigma 18-50mm f/2.8 DC DN Contemporary	Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ
Focal length	18-50mm	15-45mm
Max aperture	f/2.8	f/3.5-5.6
Type	zoom	zoom
Coverage	APS-C	APS-C
Mount	Fujifilm X	Fujifilm X

Which should you buy?

the Sigma 18-50mm f/2.8 DC DN Contemporary opens wider (f/2.8) — brighter in low light and more background blur
the Sigma 18-50mm f/2.8 DC DN Contemporary covers 18-50mm and the Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ covers 15-45mm — pick the range that matches what you shoot
the Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ is first-party (Fujifilm) for guaranteed full autofocus and in-camera corrections; the Sigma 18-50mm f/2.8 DC DN Contemporary is third-party — usually the value pick

Where to buy

Sigma 18-50mm f/2.8 DC DN ContemporarySee price on Amazon

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Fujifilm Fujinon XC15-45mmF3.5-5.6 OIS PZ Lens - Black

Fujifilm XC 15-45mm f/3.5-5.6 OIS PZSee price on Amazon

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FAQ

What's the difference between the Sigma 18-50mm f/2.8 DC DN Contemporary and the Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ?
The Sigma 18-50mm f/2.8 DC DN Contemporary is 18-50mm f/2.8 zoom, APS-C; the Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ is 15-45mm f/3.5-5.6 zoom, APS-C. Both fit the Fujifilm X mount.

Which is better in low light, the Sigma 18-50mm f/2.8 DC DN Contemporary or the Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ?
The Sigma 18-50mm f/2.8 DC DN Contemporary — its f/2.8 maximum aperture lets in more light and gives more background blur than the f/3.5-5.6 of the other.

Do the Sigma 18-50mm f/2.8 DC DN Contemporary and Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ 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 16-55mm f/2.8 R LM WR vs Fujifilm XF 16-80mm f/4 R OIS WR · Fujifilm XF 16-55mm f/2.8 R LM WR vs Fujifilm XF 18-55mm f/2.8-4 R LM OIS · Tamron 17-70mm f/2.8 Di III-A VC RXD vs Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ · Tokina atx-m 56mm f/1.4 X vs Fujifilm XF 50mm f/1.0 R WR · all Fujifilm X lenses · all comparisons

Sigma 18-50mm f/2.8 DC DN ContemporaryAffiliate linkSee price on Amazon