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Fujinon XF27mmF2.8 R WR vs Viltrox AF 28mm F4.5 XF
Short answer
The Fujinon XF27mmF2.8 R WR (27mm) and Viltrox AF 28mm F4.5 XF (28mm) are both standard lenses for the Fujifilm X mount. The Fujinon XF27mmF2.8 R WR is the faster lens at f/2.8 against f/4.5 on the Viltrox AF 28mm F4.5 XF. Only the Fujinon XF27mmF2.8 R WR has weather sealing and an aperture ring.
Viltrox AF 28mm F4.5 XF: 3 specs ahead
Side by side
| Fujinon XF27mmF2.8 R WR | Viltrox AF 28mm F4.5 XF | |
|---|---|---|
| Brand | Fujifilm | Viltrox |
| Focal length | 27mm | 28mm |
| 35mm equivalent | 41mm | 42mm |
| Maximum aperture | f/2.8 | f/4.5 |
| Mount | Fujifilm X | Fujifilm X |
| Autofocus | Yes | Yes |
| Optical stabilisation | No | — |
| Weather resistant | Yes | — |
| Aperture ring | Yes | — |
| Macro | No | — |
| Linear motor | No | — |
| Minimum aperture | f/16 | — |
| Aperture blades | 7 | — |
| Lens construction | 7 elements in 5 groups | 6 elements in 6 groups |
| Special elements | 1 aspherical element | — |
| Angle of view | 55.5° | — |
| Minimum focus | 0.34 m | 0.34 m |
| Maximum magnification | 0.1× | — |
| Weight | 84 g | 60 g |
| Diameter | ⌀62 mm | ⌀60.3 mm |
| Length | 23 mm | 15.25 mm |
| Filter thread | ⌀39 mm | — |
| Launch price | — | $99 |
Where each one is ahead
Reasons to choose the Fujinon XF27mmF2.8 R WR
- Maximum aperture f/2.8 vs f/4.5
Reasons to choose the Viltrox AF 28mm F4.5 XF
- Weight 60 g vs 84 g
- Diameter ⌀60.3 mm vs ⌀62 mm
- Length 15.25 mm vs 23 mm
Framing and reach
| Lens | Frames like | Horizontal view | Frame width at 10 m |
|---|---|---|---|
| Fujinon XF27mmF2.8 R WR | 41 mm | 47° | 8.7 m |
| Viltrox AF 28mm F4.5 XF | 42 mm | 45.5° | 8.4 m |
Both lenses frame essentially the same view, so the choice comes down to aperture, size and handling rather than reach.
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 28mm F4.5 XF is 24 g lighter than the Fujinon XF27mmF2.8 R WR, about 29% less.
- The Fujinon XF27mmF2.8 R WR is 7.8 mm longer.
- The Fujinon XF27mmF2.8 R WR is 1.7 mm wider.
What each one suits
| Fujinon XF27mmF2.8 R WR | Viltrox AF 28mm F4.5 XF | |
|---|---|---|
| Birds and wildlife | Poor | Poor |
| Sports | Poor | Poor |
| Portrait | Average | Fair |
| Travel | Excellent | Excellent |
| Street | Excellent | Very good |
| Weddings | Very good | Good |
| Walk around | Excellent | Excellent |
| Vlogging | Poor | Poor |
| Landscape | Excellent | Good |
| 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 XF27mmF2.8 R WR if
- low light is the priority. At f/2.8 it lets in 1.4 stops more than f/4.5 — faster shutter speeds indoors and softer backgrounds.
Choose the Viltrox AF 28mm F4.5 XF if
- weight matters to you. It is 24 g lighter, roughly 29% 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 XF27mmF2.8 R WR or the Viltrox AF 28mm F4.5 XF?
The Viltrox AF 28mm F4.5 XF, by 24 g — about 29% less.
Which is better in low light, the Fujinon XF27mmF2.8 R WR or the Viltrox AF 28mm F4.5 XF?
The Fujinon XF27mmF2.8 R WR. At f/2.8 against f/4.5 it gathers 1.4 stops more light, which matters without flash and for background blur. Stabilisation can offset some of that for still subjects, but not for moving ones.
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 28mm F4.5 XF, by 24 g (60 g against 84 g).
Which is better, the Fujinon XF27mmF2.8 R WR or the Viltrox AF 28mm F4.5 XF?
On measurable specs the Viltrox AF 28mm F4.5 XF leads, 3 wins against 1. That is a spec count, not a field test.
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Built from the specifications Fujifilm publishes.