Viltrox AF 9mm f/2.8 Air : Specifications and Opinions

The Viltrox AF 9mm f/2.8 Air is a wide-angle lens for APS-C, manufactured from 2025. 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 232 €;

9 users have given it an average vote of 9.9 out of 10.

MOUNT

This lens is available with the following mounts:

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

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

Specifications
Focal lenght	9 mm
Angle of view	115.1° (equivalent to a 14mm in Fullframe 24x36mm format)
Format	APS-C
Max. aperture	f/2.8
Aperture blades	7
Lenses/Groups	13 elements in 11 groups
Min. focus distance	0.13 meters
Reproduction ratio	0.15x
Features
Stabilization	No
Focus	Stepper Motor
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	58 mm
Lens hood	Yes, supplied
Weather sealing	No
Weight	175 g
Dimensions	65 x 56 mm
Buy
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Reviews

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The following opinions have been automatically translated with Google Translate.

Perropnw

sent on 15 Maggio 2026

Pros: Sharpness, size, weight, cost

Cons: AF slightly noisy and not very fast, materials

Opinion: I've been using it for a short time and I'm a neophyte for certain focal lengths that attracted me a lot to complete my kit to bring home impossible shots with the focal lengths I owned. Well, I thought I would use it much less, in exceptional circumstances and instead it is more versatile than I expected. Great for interiors, architecture, but also landscapes and even street. Bright enough even for shooting at night, it surprises with its sharpness. And then the weight and size allow you to always carry it with you (it fits comfortably in its case in the pocket of a jacket).

Pamar5

sent on 30 Aprile 2026

Pros: See review

Cons: For the expense/return ratio little or nothing. See review

Opinion: A fantastic and at the same time difficult lens. I start with the price/performance ratio. Certainly very remarkable. With a low price (very low), this lens offers incredible performance and yield. As favorable points I undoubtedly emphasize its size and weight. Lightweight and comfortable to carry. The compromise to have such a low weight also lies in the materials with which it is built: forget metal or metal alloys, all polycarbonate. This, in my opinion, is not a defect because the plastic material is of a very good level and, importantly, the graft is made of metal. No aperture ring, for some a limit but not for me. It depends on personal preference. It is not tropicalized but at this price it would be asking too much. Just a good size focusing ring with smooth movement but with the correct resistance. And then there is the autofocus, perhaps not essential in such a perspective but for me its presence is a plus. Autofocus which by the way is silent and quite fast. Lens not stabilized but who would need the stabilizer on a super wide angle? As a result I would say very good. Very low distortions considering the focal length. Good even at full opening and becomes impeccable by closing a hair. Some complain of a certain propensity to flare. I have not detected a tendency to this phenomenon unless I have the sun in the center of the frame. Well engraved rendering, excellent in the center even at full opening and satisfactory at the edges (not perfect but satisfying). At f4 almost perfect over the entire frame. I was amazed by the performance of this glass compared to the price. For comparison, I own the TTArtisan 10 mm. In my opinion there is no comparison in terms of performance, especially at the edges that suffer in the latter at TA and you have to close quite a bit to have satisfactory results. And then, if we talk about flare tendency, I noticed it at least 10 times as much in TTArtisan as in Vitrox. And then TTArtisan is manul focus. The non-top sides of Vitrox? For the price I would say negligible. There is a certain propensity for vignetting, present at TA but detectable even by closing well. Of course, the vignetting "disappears" with the corrections via software, but if you exclude the corrections it is there and very evident. Which is still expected given the width of the framed field. At the beginning I talked about a difficult lens, this is absolutely not meant to be a note to such glass. More than anything else, it is a reference to wide-angle focal lengths, all of them and of every brand. It is not easy to use them constructively and it is not trivial to find captivating scenes. You run the risk of using them as a funnel: inside everything and multiple and tiny subjects without a center of interest. It's not an everyday lens or one to keep fixed on the camera. But this, as mentioned, is a feature of all ultra-wide-angle cameras and not a limitation of the Viltrox. I have to say that, with the right subject, the Viltrox provides superb and very very beautiful results. I have not found any flaws in the yield. Happy with the purchase? Yes, of course. Do I recommend it? Without a doubt. For the price, it provides superb results.

Gian103

sent on 03 Gennaio 2026

Pros: Sharpness, weight, low distortions, price

Cons: No aperture ring

Opinion: I wanted to get the 8-16 2.8 Fuji, but before paying a considerable amount and not yet having clear the use I would have made of it I decided to buy this 9 mm, just tried, boom!!! I didn't believe that with just over 200 € I could have this quality. Is it perfect? No, but it has many qualities first of all excellent sharpness and minimal distortion at the extreme edges, I think inevitable with these focal lengths. I highly recommend it because at this price it is a must have if you like extreme wide angles

Alberto_Conti

sent on 30 Dicembre 2025

Pros: Compactness, f2.8 aperture, no distortion and price

Cons: For the cost absolutely nothing

Opinion: Of Viltrox I have the 75 - 27 F1.2 and the 13 F1.4 here these are of another level both body construction ,engraving and price But the small 9mm defends itself very well at such an extreme angle if used correctly it has no distortion it does not "stretch" you have sides of the frame Here you see a bit of chromatic aberration in extreme contexts though I have never tried the original 8mm and I can't do it a comparison but this 9mm costs 1/3 In conclusion the 3 lenses mentioned above in my humble opinion are EXCEPTIONAL ... the small 9mm VERY GOOD I highly recommend it Greetings

Asellerix

sent on 10 Dicembre 2025

Pros: Everything, but above all small and light and sharp.

Cons: Too bad it's only APS-C

Opinion: Extraordinary optics, it completely enraptured me, on the Z50 II it is perfect. Fast AF, very minimal distortion, first-class sharpness, Flare management I would say well contained. And who expected it, from a negligible cost a robust and flawless performance. I also tried it on Z8, in DX mode, and even on its sensor it showed an efficiency on distortion and sharpness that I did not expect. The same 14-24 at the minimum focal length has difficulty at the edges, the small 9 mm in comparison plays on an equal footing. Absolutely rated 10 !!!

There are 2 more reviews. Show all »

Photos taken with Viltrox AF 9mm f/2.8 Air

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... oh well:)

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Classic :)

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0 comments, 335 views

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1 comments, 78 views

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0 comments, 218 views

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Viltrox AF 9mm f/2.8 Air : Specifications and Opinions

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Reviews

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Photos taken with Viltrox AF 9mm f/2.8 Air