Viltrox · ultra-wide prime

Viltrox AF 9mm F2.8 Air XF

9mm f/2.8

Short answer

The Viltrox AF 9mm F2.8 Air XF is an ultra-wide prime for the Fujifilm X mount. It covers 9 mm, which frames like 14mm on a 35mm camera, and opens to f/2.8. Autofocus is built in.

It has weather sealing. The optics are 13 elements in 11 groups. It focuses as close as 0.13 m. Filters thread on at 58 mm.

It weighs 175 g. That makes it the lightest ultra-wide lens for the X mount in the catalog. It launched at $199.

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 5 other X mount lenses.

Full specifications

Focal range: 9mm
Maximum aperture: f/2.8
35mm equivalent: 14mm
Mount: Fujifilm X
Weight: 175 g
Filter thread: ⌀58 mm
Minimum focus: 0.13 m
Launch price: $199

Brand: Viltrox
Lens type: prime · ultra-wide
Minimum focal length: 9 mm
Maximum focal length: 9 mm
Lens construction: 13 elements in 11 groups
Weather resistant: Yes
Focus: Autofocus

Weather resistant

What it suits

Birds and wildlife		Poor
Sports		Poor
Portrait		Poor
Travel		Average
Street		Fair
Weddings		Average
Walk around		Average
Vlogging		Very good
Landscape		Excellent
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.