Viltrox AF 56mm F1.7 56mm
Delivering an 85mm full-frame equivalent field of view, the f/1.7 aperture excels at subject isolation with smooth bokeh from its 9-blade diaphragm. Its featherlight 171-gram build and quiet STM autofocus make it a discreet, everyday carry option that won't fatigue you during long shoots. This lens is best for Fujifilm X-mount street and portrait photographers who prioritize portability and low-light performance over macro capability.
Aperçu
The 30-Second Version
A tiny, affordable portrait lens with gorgeous bokeh and surprising build quality. It's soft wide open, but at this price, you'll forgive it.
Pros & Cons
Points forts
- Incredibly light at 171g, disappears on your camera 89th
- Beautiful bokeh from the 9-blade aperture 87th
- Build quality is a standout for the price 77th
- That f/1.7 aperture on a budget is a steal 67th
Points faibles
- Soft wide open, especially in the corners
- No weather sealing, so be careful in the rain
- Autofocus is just average, not for fast action
- Optical performance overall lags behind most lenses we test
Les preuves
Performance
What surprised us most is how good the bokeh looks for a budget prime. Those nine aperture blades do their job, rendering out-of-focus areas smoothly without the harsh, busy edges you often get from cheap glass. Autofocus with the STM motor is quiet and accurate enough for stills, though it's not going to win any speed races. It sits right in the middle of the pack in our AF database, which is fine for posed portraits but might frustrate you if you're chasing kids or pets. The real weak spot is optical sharpness wide open, where it falls into the bottom quarter of lenses we've tested. Stop down to f/2.8 and it cleans up nicely, but you're buying an f/1.7 lens to shoot at f/1.7, and it's a bit soft there.
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 56 |
| Focal Length Max | 56 |
| Elements | 11 |
| Groups | 9 |
| ED Elements | 4 |
Aperture
| Min Aperture | f/1.7 |
| Diaphragm Blades | 9 |
Build
| Mount | Fujifilm X |
| Format | APS-C |
| Weight | 0.2 kg / 0.4 lbs |
| Filter Thread | 52 |
AF & Stabilization
| AF Type | STM + lead screw |
Focus
| Min Focus Distance | 550 |
| Max Magnification | 0.11x |
vs Competition
If you're cross-shopping, the Sigma Art 35mm f/1.2 is in a different universe optically but costs a fortune and weighs a ton. The Tamron 28-75mm f/2.8 is a zoom, so it's more versatile but can't touch this Viltrox for background blur at the long end. Honestly, the most relevant fight is against Fujifilm's own XF 56mm f/1.2. That lens is sharper and faster, but it's also multiple times the price and much heavier. The Viltrox wins on portability and value. The Fuji wins on pure image quality. For most people, the Viltrox is the smarter buy.
| Spec | Viltrox AF 56mm F1.7 56mm | Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Sony E 18-135mm f/3.5-5.6 OSS | Panasonic Leica DG Vario-Elmarit H-ES12035 |
|---|---|---|---|---|---|---|
| Focal Length | 56mm | 18-50mm | 17-70mm | 17-28mm | 18-135mm | 12-35mm |
| Max Aperture | - | f/2.8 | f/2.8 | f/2.8 | f/3.5 | f/2.8 |
| Mount | Fujifilm X | Sony E | Sony E | Nikon Z | Sony E | Micro Four Thirds |
| Stabilization | false | false | true | false | true | true |
| Weather Sealed | false | true | true | true | false | true |
| Weight (g) | 171 | 290 | 544 | 450 | 326 | 306 |
| AF Type | STM + lead screw | stepping motor | RXD | Stepping Motor | Linear motor | Autofocus |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Produit | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Viltrox AF 56mm F1.7 56mm | 87.2 | 77.3 | 88.9 | 31 | 66.9 | 65.6 | 33.7 | 37 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.2 | 81.3 | 86.5 | 90.9 | 82.6 | 83.4 | 78.5 | 37 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.4 | 86.4 | 69.4 | 85.1 | 91.1 | 83.4 | 89.5 | 82.7 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.2 | 86.4 | 75.8 | 85.1 | 88.4 | 83.4 | 68.1 | 37 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98.1 | 74.7 | 73.1 | 40 | 79.1 | 76.8 | 95.8 | 82.7 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.4 | 81.3 | 85.8 | 50.6 | 86.8 | 83.4 | 80.5 | 97 |
Prix
Value & Pricing
This is where things get weird. The price spread across vendors is a wild $175 to $3180, which tells us someone is either smoking something or listing a collector's item. Ignore the crazy high end. At the $175 mark, this lens is an absolute no-brainer for Fujifilm shooters on a budget. You're getting f/1.7, solid build, and lovely bokeh for less than the cost of a nice dinner out. Just make sure you're buying from a reputable store and not a scalper.
En savoir plus
Overview
The Viltrox 56mm f/1.7 is the lens you buy when you want that creamy 85mm-equivalent portrait look without selling a kidney. It's tiny, it's light, and it opens up to f/1.7 for genuinely nice subject separation. This isn't a clinical, corner-to-corner sharpness monster, and it's not trying to be. It's a character lens that nails the one thing most APS-C Fujifilm shooters crave: affordable, flattering portraits with real background blur. The build quality is a pleasant surprise at this price, feeling solid and well-damped despite its featherweight 171 grams.
Common Questions
Q: Will this autofocus well on my older Fujifilm body like an X-T2 or X-T20?
Yeah, it'll work fine. The STM motor is quiet and accurate on older bodies, just don't expect blazing speed. It's perfectly adequate for portraits and everyday shooting, but it's not the lens for sports or wildlife.
Q: Is the lack of weather sealing a dealbreaker?
Only if you shoot in the rain or dusty environments a lot. For most people, it's not an issue. Just use common sense and don't change lenses in a sandstorm. If you need sealed gear, save up for the Fuji XF 56mm f/1.2 WR.
Q: How bad is the softness at f/1.7 really?
It's noticeable if you pixel-peep, especially in the corners. For portraits, the center sharpness is acceptable and the soft edges actually add to the dreamy look. If you need tack-sharp images across the frame, you'll want to stop down to f/2.8 or look at a more expensive lens.
Who Should Skip This
If you need a lens for fast action, video tracking, or shooting in bad weather, this isn't it. The autofocus is too leisurely and there's no sealing. Go grab a used Fuji XF 56mm f/1.2 if you need speed and weather resistance, or a zoom like the Tamron 17-70mm f/2.8 if versatility matters more than bokeh.
Verdict
Get this lens if you want an affordable portrait prime for your Fujifilm X-mount camera and you value bokeh and portability over clinical sharpness. It's a fantastic entry point into fast glass, and the build quality will make you smile every time you pick it up. Just know its limits: keep it dry, don't expect miracles wide open, and you'll be thrilled with the images you get.