Viltrox AF 9mm F/2.8 E Air

Specifications01

MountSONY E

Focal length9mm

Max aperturef/2.8

TypeCinema · Wide · Prime

Weight175 g

Filter size58 mm

Physical length65 mm

Barrel diameter65 mm

Min focus distance0.13 m

Max magnification0.15

Aperture blades7

Optical elements13

Groups11

AutofocusYes

StabilizationNo

Weather sealedNo

Lens hoodpetal-shaped (bayonet mount, supplied)

Approx price$199

Additional Info02

TypeUltra wide-angle prime

Category["Sony E (APS-C)"]

Angle Of View114°

Review AuthorKlaus

Review Rating8

Review VerdictViltrox continues to release quality lenses at prices that can't be matched by the traditional players - it's not even close. This also applies to the Viltrox AF 9mm f/2.8 E Air. It's an amazingly sharp lens despite the extreme focal length. Some other players should be ashamed in comparison (I'm looking at you, Fujifilm ...). Lateral CAs are very low, and image distortions are quite easy to live with as well. If nice sun stars are your thing, the lens can do that for you. There's one obvious flaw, though - vignetting. It's not a showstopper, but expect to require some manual correction in post. In terms of build quality, the Viltrox lens is nothing special, neither in good nor bad terms. The plastic quality is quite decent, and the assembly quality is flawless. It's good consumer-grade quality. The AF is snappy. You can forgive the lack of weather sealing. Given the very low pricing, you may think of the Viltrox AF 9mm f/2.8 E Air as a bottom feeder, but this doesn't do justice here because, at least in terms of sharpness, it is up there with the very best - and far better than most. So it's more than just a simple value recommendation here. Viltrox lenses are available from shops like Amazon, B&H or the Viltrox Web Store .

Review Criteria{"Build Quality":7,"Optical Quality":8,"Price / Performance":10}

Review Published2025-09-19T13:01:02+00:00

Optical Construction13 elements in 11 groups, incl. 3x ED, 3x HR, 2x aspherical

Field Notes02

Viltrox AF 9mm f/2.8 E is an ultra-wide E-mount lens intended for low-distortion wide-angle/cinema-style use on Sony APS-C. It offers a fixed 9mm focal length and a maximum aperture of f/2.8.

AI-assisted summary — verify against linked sources

Catalog note · source: opticallimits