Viltrox · wide-angle prime

Viltrox AF 15mm F1.7 Air XF

15mm f/1.7

Viltrox AF 15mm F1.7 Air XF

Short answer

The Viltrox AF 15mm F1.7 Air XF is a wide-angle prime for the Fujifilm X mount. It covers 15 mm, which frames like 23mm on a 35mm camera, and opens to f/1.7. Autofocus is built in.

The optics are 12 elements in 10 groups. Filters thread on at 58 mm.

It weighs 180 g. It launched at $239.

It mounts on all 34 X mount cameras in the catalog, among them the X-T5, X-T50, X-E5, X-M5, and X-T30 III. Fixed-lens models such as the X100 series are out by definition.

The same category holds 20 other X mount lenses. Among them, the fastest is the Sirui Sniper 23mm F1.2 AF at f/1.2 and the lightest one under it is the Fujinon XF23mmF2.8 R WR at 90 g.

Full specifications

Focal range
15mm
Maximum aperture
f/1.7
35mm equivalent
23mm
Mount
Fujifilm X
Weight
180 g
Filter thread
⌀58 mm
Launch price
$239
Brand
Viltrox
Lens type
prime · wide-angle
Minimum focal length
15 mm
Maximum focal length
15 mm
Lens construction
12 elements in 10 groups
Focus
Autofocus

What it suits

Birds and wildlife Poor
Sports Poor
Portrait Poor
Travel Very good
Street Excellent
Weddings Very good
Walk around Very good
Vlogging Very good
Landscape Good
Macro Poor

Scored from the published specifications — focal length, aperture, stabilisation, weather sealing and weight. Sharpness, bokeh and rendering are not in a spec sheet and are not scored here.

Similar lenses

Fits these cameras

lens.faqTitle

What is the Viltrox AF 15mm F1.7 Air XF equivalent focal length?

On 35mm it frames like 23mm, because the APS-C sensor changes the angle of view.

How much does the Viltrox AF 15mm F1.7 Air XF weigh?

180 g.

What filter size does the Viltrox AF 15mm F1.7 Air XF take?

58 mm screw-in filters.

Which cameras does the Viltrox AF 15mm F1.7 Air XF fit?

Any Fujifilm body with the X mount, which is 34 models in this catalog.

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Last updated September 11, 2026