Viltrox AF 20mm f/2.8 : Specifications and Opinions

The Viltrox AF 20mm f/2.8 is a wide-angle lens for FF and APS-C, manufactured from 2023. The focus is done by Stepper Motor, it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 189 €;

30 users have given it an average vote of 9.0 out of 10.

MOUNT

This lens is available with the following mounts:

Nikon Z: this lens is compatible with mirrorless fullframe and APS-C Nikon Z.

Sony E: this lens is compatible with mirrorless fullframe and APS-C Sony.

Specifications
Focal lenght	20 mm
Angle of view	94.4°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	7
Lenses/Groups	10 elements in 8 groups
Min. focus distance	0.19 meters
Reproduction ratio	0.17x
Features
Stabilization	No
Focus	Stepper Motor
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	52 mm
Lens hood	Yes, supplied
Weather sealing	No
Weight	157 g
Dimensions	65 x 59 mm
Buy
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Reviews

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The following opinions have been automatically translated with Google Translate.

Alfonso Alfieri

sent on 11 Agosto 2025

Pros: Let Lightness, Fluidity ring put focus for manual work, detail and image quality

Cons: No one for what it costs

Opinion: I heard about this lens and not only that, I noticed around that several were buying it. I was headed for such a focal length but someone told me about the Tamron, especially for its macro factor, but I was not convinced. Finding myself in talks about this Viltrox I decided to buy it. To premise that I take photos and videos but I can tell you guys that in both cases I'm 20 is something spectacular. Never mind that it is plastic but gives you images worthy of a Pro level 20. My opinion? If I buy a Pro and it falls out of my hand or something like that I must first recover you from an imminent heart attack and then send it for assistance to no longer have the same optics. Here if I fall for it I throw it away and buy another 180 Euros " Hahahahahahaaaa " crazy 180 Euros. This perspective is the revelation that if a Brand wants it can produce inexpensive things, even if of poor material but which work excellently and I repeat for some equal to the pros. BUY IT IN THE MOST ABSOLUTE WAY AND YOU WILL NOT REGRET MY WORD

Photodrama

sent on 16 Ottobre 2024

Pros: price, yield (with distinction), lightness, size, AF

Cons: Surrender (with distinction)

Opinion: Optics that are worth the money it costs and even more depending on the sensor on which it is used. On FF from 24 mpx it always offers a good performance in the center, acceptable at the edges from f/4, and good from f/5.6. Reliable AF without any particular slowdowns. Tested on nikon DX (which has the same density as the 45 mpx sensor of the nikon Z7) where it should have taken advantage of the best part of the optics, it was instead quite disappointing. Which makes me think that on dense sensors it gives poor results. However, it remains a very light and space-saving lens that can be an ideal match to carry with a 24-70 zoom for those situations where 24mm is not enough but you don't want to weigh down the bag both in terms of weight and investment.

Gainnj

sent on 16 Ottobre 2024

Pros: Price, yield

Cons: For now, no one

Opinion: I'm talking about the Viltrox 20 mm f 2.8 mounted on Z6, if it was mounted on another camera body or on Sony the performance could change. Specimen centered, all corners return the same quality. Tested on some close and far shots comparing it with the old Nikon 20 mm f 2.8 and the Nikon AF-S 14-24 f 2.8: in both cases the Viltrox is better as a resolution, since it costs less than the FTZ adapter used I would say that it is better to leave the reflex lenses at home..... At the edges at f2.8 it loses something but nothing compared to the other lenses I compared it to. Basically a good purchase, better than any 20mm for reflex I've ever had (I don't know if it's equal to or equal to the AF-S 20mm f1.8 that I've never used). As always I can't say if my copy is "lucky" but I repeat, respect the price, the optics are excellent.

Alessio Palazzolo

sent on 25 Settembre 2024

Pros: Exceptional price, light, sharp in the center, sharp throughout the frame when you close the aperture

Cons: Very pronounced curvature of field (which deteriorates the image at the edges at open apertures); "mustache" distortion (but easily correctable, given the existence of a special profile in Lightroom).

Opinion: It is a very cheap and extremely compact lens, very comfortable to take for a walk. The sharpness (tested on 24 mpx) in absolute terms is quite good, already at f2.8, at least in the center, as also emerges from various tests on the net (e.g. OpticalLimits). The big problem at the edges (and not only) is the extremely pronounced curvature of field: objects in the foreground or second to the focus are decidedly out of focus (and even if on the same plane, at f2.8 the edges are rather soft). Closing the aperture, from f 5.6 onwards (and even better at f8), the situation improves decisively. Distortion, moderate but complex ("wave" or "whisker"), if you use Lightroom or CameraRaw is not a problem, as there is a dedicated correction profile. The colors are neutral. The quality of the materials is good, even if my sample initially resisted being unscrewed by the camera (with use everything is back to normal). On the a7iii the focus is good and the focus motor is quite quiet (audible in absolute silence but much less noisy than the Sony 50 f1.8, for example). For what it costs (especially on offer), in my opinion it is still a valid purchase.

Seaman88

sent on 21 Luglio 2024

Pros: small, light, economical

Cons: poor image quality especially at the edges

Opinion: It pays what it is worth, it is an economic lens whose merits are lightness and size. Unfortunately, the image quality is low at the edges and only acceptable in the center. It's worth spending a little more and getting a better lens. If you aim for image quality, I strongly advise against it.

There are 6 more reviews. Show all »

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2 comments, 317 views

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The sample photos are selected automatically between all photos posted by JuzaPhoto members, using the camera and the lens selected in the techs. If you find evident errors (e.g. photos taken with cameras and lenses that are not available yet), you can contribute to improve the page by sending a private message to the user that has entered incorrect values in the photo caption.

Viltrox AF 20mm f/2.8 : Specifications and Opinions

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Reviews

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Photos taken with Viltrox AF 20mm f/2.8