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Viltrox 135mm F1.8 LAB: two-minute review
Ever since I saw the Viltrox AF 135mm F1.8 LAB lens for Sony full-frame cameras I’ve been counting down the days until Viltrox made it made available for Nikon Z-mount cameras. That day has now come.
Viltrox’s first professional LAB lens gets the Z-mount treatment, and I’ve already had the chance to test the lens for several weeks, pairing it with my Nikon Z6 II for supreme shallow-depth-of-field portraits and more.
It’s the affordable alternative to my dream Z-mount lens, the pricey Nikon 135mm f/1.8 S Plena, as well as to Sony’s own 135mm F1.8 GM.
At $899 / £829 / around AU$1,500 (discounts are available on the Viltrox website too), it’s half the price of the Sony lens, and just a third of the price of Nikon’s Plena, which originally cost around $2,600 / £2,700 / AU$4,600. For Nikon Z users like me, that’s clearly a huge difference.
135mm is an ideal focal length for portraits, but I also love the perspective for landscape photography, together with the excellent light-gathering capabilities of a fast f/1.8 aperture prime lens like this.
So what do I think of the Viltrox 135mm f/1.8 LAB now that I’ve tested it? It’s a truly stunning lens, although it does have one significant drawback that has me thinking twice.
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Viltrox 135mm f/1.8 LAB specs
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Type: |
Telephoto prime |
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Mount: |
Nikon Z-mount / Sony E-mount |
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Sensor: |
Full frame |
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Focal length: |
135mm |
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Max aperture: |
f/1.8 |
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Minimum focus: |
0.72m |
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Filter size: |
82mm |
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Dimensions: |
93 x 145.7mm |
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Weight: |
45.6oz / 1235g |
Viltrox 135mm f/1.8 LAB: Design
- Premium design and build quality
- Very heavy
- Unique customizable LCD screen is a fun touch
It’s clear that the Viltrox 135mm is built for pros. The build quality is top-drawer, from the weather-resistant metal barrel, front lens element and rear mount to the reassuringly secure connection to the camera – you’ll need some muscle to click the lens into place – and the premium controls dotted around the exterior.
There’s a smooth focus ring, a second ring that can be set to smooth or clicked and which by default is set to control aperture, plus custom buttons and a customizable top LCD.
It’s possible to customize the welcome screen of the top LCD (seriously), which is a nice touch, even if I can’t see myself creating my own welcome screen… yet. It’s also possible to apply firmware updates easily through the USB-C port built into the rear mount.
Focus distances are marked precisely on the LCD, down to the centimeter, which is something you don’t get with other lenses. There’s also a AF / MF switch plus a focus-range limiter. These exterior controls cover all the bases for the scenarios in which I see myself using the lens.
Autofocus is smooth and essentially silent. Viltrox says focus speeds are “150% faster”, although I’m not sure what that’s in comparison to, and I wouldn’t say this is the fastest-focusing lens I’ve used, even if it is smooth. I’ll touch on why I think so in a bit.
In the box is a decent-sized lens hood and a soft lens pouch for packing the lens away safely. So, all in all, the Viltrox 135mm F1.8 sounds great, right? And it is, but for one thing.
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As I mentioned in my verdict at the start of this review, this lens is heavy – very heavy. It’s the first thing you notice as you take it out of the box. How heavy? 43.6oz / 1,235g, without the lens hood. Ouch.
To be clear, quality 135mm f/1.8 lenses like this are heavy, but the Viltrox is another level; it’s about 25% heavier than the Sony and Nikon lenses I’ve mentioned.
I wish the Viltrox was lighter, at least for using it with my Z6 II. The balance is so front-heavy that this is a lens that’s best used in short bursts, which is a shame because I could see myself using a lens like this for event photography, and those jobs are long hours.
If you shoot with a larger camera such as the Nikon Z8, or more so the Nikon Z9, the balance of the Viltrox lens will be much better.
Still, there’s also a very good reason why this lens is so heavy – its supreme optical quality.
Viltrox 135mm f/1.8 LAB: Performance
- 135mm focal length ideal for isolating subjects
- Virtually flawless optical quality
- Precise and smooth autofocus, but not the fastest
The optical quality of the Viltrox 135mm f/1.8 LAB lens is virtually flawless, much like the Nikon Plena lens, and the MTF charts shared by Viltrox back this up.
Detail is sharp from center to edges, even when using the maximum f/1.8 aperture. There’s not a huge amount of vignetting either – it’s hardly noticeable if you stop the aperture down to f/2.8, while at f/1.8 it’s easily corrected if you don’t want those darker corners that help your subject stand out all the more.
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I purposefully pushed the lens in tricky scenarios, such as backlit portraits at golden hour, and it handled flare admirably. It also focused precisely, no mean feat when its VCM motors are working hard to shift those weighty lens elements, of which there are 14 in nine groups, although focusing is slightly snappier with Sony’s and Nikon’s lenses in my experience.
Most photographers splashing the cash on a lens like this do so for its ability to produce attractive bokeh, and the Viltrox lens impresses on this front, especially for the price.
The 11-blade circular aperture delivers buttery smooth and circular bokeh in out-of-focus areas of dappled light, as you can see in the sample images. This kind of bokeh quality is the holy grail for pro portrait photographers, and it’s now available in a lens that costs a fraction of the price of Nikon and Sony’s own lenses.
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The top-drawer optical quality, especially for the competitive price, cannot be overstated, and Viltrox has really given me something to think about. Would I buy this lens? Absolutely. I’ll just hit the gym first, or upgrade my gear with the chunkier Z8 for better balance, or – more cost-effectively – the Z6 II battery grip.
Its weight and slightly sluggish autofocus are the only drawbacks to an otherwise flawless lens.
Should you buy the Viltrox 135mm f/1.8 LAB?
Buy it if…
Don’t buy it if…
How I tested the Viltrox 135mm f/1.8 LAB
- Tested intermittently for a few weeks
- Paired with a Nikon Z6 II
- Used in a range of scenarios and at different times of day
I received the Viltrox 135mm f/1.8 LAB lens for Nikon Z-mount a few weeks ahead of its official unveiling on March 19, 2025. It’s already available for Sony E-mount.
I’ve paired the lens with a Nikon Z6 II body, and used it in a range of challenging scenarios to test its optical quality. These situations included backlit portraits during golden hours, with the light dancing around the sun included in some photos.
I haven’t yet had the opportunity to test the lens during inclement weather yet, so I can’t comment on its weather-resistance credentials.
- First reviewed March 2025
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