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Fujinon XF8-16mmF2.8 R LM WR vs Viltrox AF 9mm F2.8 Air XF
Short answer
The Fujinon XF8-16mmF2.8 R LM WR (8–16mm) and Viltrox AF 9mm F2.8 Air XF (9mm) are both ultra-wide lenses for the Fujifilm X mount. Only the Fujinon XF8-16mmF2.8 R LM WR has an aperture ring.
Viltrox AF 9mm F2.8 Air XF: 2 specs ahead
Side by side
| Fujinon XF8-16mmF2.8 R LM WR | Viltrox AF 9mm F2.8 Air XF | |
|---|---|---|
| Brand | Fujifilm | Viltrox |
| Focal length | 8–16mm | 9mm |
| 35mm equivalent | 12–24mm | 14mm |
| Maximum aperture | f/2.8 | f/2.8 |
| Mount | Fujifilm X | Fujifilm X |
| Autofocus | Yes | Yes |
| Optical stabilisation | No | — |
| Weather resistant | Yes | Yes |
| Aperture ring | Yes | — |
| Macro | No | — |
| Linear motor | Yes | — |
| Minimum aperture | f/22 | — |
| Lens construction | 20 elements in 13 groups | 13 elements in 11 groups |
| Special elements | 4 aspherical, 3 ED, 3 super ED elements | — |
| Angle of view | 121° – 83.2° | — |
| Minimum focus | 0.25 m | 0.13 m |
| Maximum magnification | 0.1× | — |
| Weight | 805 g | 175 g |
| Diameter | ⌀88 mm | — |
| Length | 121.5 mm | — |
| Filter thread | — | ⌀58 mm |
| Launch price | — | $199 |
Where each one is ahead
Reasons to choose the Fujinon XF8-16mmF2.8 R LM WR
- Longer reach 24 mm vs 14 mm
- Wider view 12 mm vs 14 mm
Reasons to choose the Viltrox AF 9mm F2.8 Air XF
- Minimum focus 0.13 m vs 0.25 m
- Weight 175 g vs 805 g
Both have weather sealing.
Framing and reach
| Lens | Frames like | Horizontal view | Frame width at 10 m |
|---|---|---|---|
| Fujinon XF8-16mmF2.8 R LM WR | 12–24 mm | 111.5°–72.6° | 29.4–14.7 m |
| Viltrox AF 9mm F2.8 Air XF | 14 mm | 105.1° | 26.1 m |
The Fujinon XF8-16mmF2.8 R LM WR gets 1.71× closer to the subject than the Viltrox AF 9mm F2.8 Air XF: whatever it points at fills 1.71× more of the frame edge to edge, or 2.9× more of its area. With the Viltrox AF 9mm F2.8 Air XF you would have to walk about 42% of the distance towards the subject to get the same picture — or crop it later, which leaves roughly 34% of the original pixels.
Angles and widths are calculated from focal length and sensor width, horizontally, on the native sensor of each mount.
Size and weight
- The Viltrox AF 9mm F2.8 Air XF is 630 g lighter than the Fujinon XF8-16mmF2.8 R LM WR, about 78% less.
What each one suits
| Fujinon XF8-16mmF2.8 R LM WR | Viltrox AF 9mm F2.8 Air XF | |
|---|---|---|
| Birds and wildlife | Poor | Poor |
| Sports | Poor | Poor |
| Portrait | Poor | Poor |
| Travel | Average | Average |
| Street | Fair | Fair |
| Weddings | Good | Average |
| Walk around | Average | Average |
| Vlogging | Good | Very good |
| Landscape | Excellent | Excellent |
| Macro | Poor | 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.
Cameras that take both
Both lenses fit every interchangeable-lens X Series body — 34 in our list. Fixed-lens models such as the X100 series cannot take them.
Which one to choose
Choose the Fujinon XF8-16mmF2.8 R LM WR if
- your subject is far away. It magnifies 1.71× more, and walking closer is not always an option.
- you want more in the frame. It starts at 12 mm equivalent, against 14 mm on the other lens — interiors, landscapes and groups at close range.
Choose the Viltrox AF 9mm F2.8 Air XF if
- weight matters to you. It is 630 g lighter, roughly 78% less to carry.
Everything above comes from published specifications. How sharp each lens is, how quickly it focuses and what its pictures look like are not in any spec sheet, so this comparison does not try to judge them.
Common questions
Which is lighter, the Fujinon XF8-16mmF2.8 R LM WR or the Viltrox AF 9mm F2.8 Air XF?
The Viltrox AF 9mm F2.8 Air XF, by 630 g — about 78% less.
Will both lenses fit my camera?
Both use the Fujifilm X mount, so they fit any X Series camera with interchangeable lenses. They do not fit fixed-lens models such as the X100 series or GFX bodies.
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Which one is lighter?
The Viltrox AF 9mm F2.8 Air XF, by 630 g (175 g against 805 g).
Which is better, the Fujinon XF8-16mmF2.8 R LM WR or the Viltrox AF 9mm F2.8 Air XF?
On measurable specs the Viltrox AF 9mm F2.8 Air XF leads, 2 wins against 0. That is a spec count, not a field test.
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Built from the specifications Fujifilm publishes.