Viltrox AF 9mm F2.8 Air
Viltrox · 9 mm · f/2.8 · Air
Score Breakdown
Scores combine our editorial testing with published lab data.
63
SCORE /100
What We Like
+Extreme wide angle (113.8°) in compact, lightweight package—ideal for travel and vlogging
+Excellent sharpness and optical quality with minimal distortion and chromatic aberration
+Fast, precise, and nearly silent STM autofocus with eye/face detection
+Affordable price (~$199) offers exceptional value for ultra-wide autofocus prime
+Close minimum focus distance (0.13m) enables creative close-up and macro-style wide-angle shots
+Sturdy construction and reliable build quality despite plastic exterior
Worth Knowing
−No weather sealing gasket or weather resistance—requires care in wet conditions
−Noticeable vignetting, especially wide open, requiring post-processing correction
−Missing aperture ring (Fujifilm shooters) and lacks image stabilization
−Some focus breathing and occasional AF hesitation when racking focus across full range
General | |
|---|---|
About This LensThe Viltrox AF 9mm F2.8 Air stands out as the widest and most affordable ultra-wide prime in Viltrox's APS-C lineup, offering an impressive 113.8° angle of view in a compact package. It delivers sharp, high-contrast images across the frame, with minimal distortion and chromatic aberrations, making it suitable for landscape, architecture, and astrophotography. Its sturdy build, lightweight design, and fast autofocus make it particularly attractive for vlogging, gimbal work, and on-the-go shooting. At roughly $199, it represents exceptional value for photographers and videographers seeking ultra-wide perspectives without weight or bulk. | |
| Brand | Viltrox |
| Release Year | 2025 |
Production Status ⓘCurrent status of lens manufacturing (e.g., in production, discontinued). |  In Production |
Pro Branding ⓘSpecific branding codes used for professional-tier lenses. | Air |
Lens Mount ⓘThe lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras. | Sony E |
System ⓘIndicates which camera system the lens is designed to attach to. | Sony E APS-C |
Maximum Format ⓘLargest sensor size compatible with the lens. |  APS-C |
Physical57/100 | |
| Lens Weight | 175 g |
Lens Diameter ⓘWidth of the lens at its widest point | 65 mm |
Lens Length ⓘHow long the lens is from front to back. | 57 mm |
Front Filter Compatible ⓘSome lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove. |  Yes |
Front Filter Size ⓘDiameter of attachable filters. | 58 mm |
Optics76/100 | |
Focal Range ⓘShortest to longest focal length of the lens (zoom range start - end ) | 9 mm |
Aperture Range ⓘLargest aperture at the lens's shortest focal length to longest focal length (aperture range start - end) | 2.8 |
| Focal Length Angle of View | 113.8° |
Flange Focal Distance ⓘDistance from lens mount to sensor. | 18 mm |
Diaphragm Type ⓘStructure and design of the aperture |  Automatic |
Blades ⓘNumber of diaphragm blades in aperture | 7020 |
Zoom Lens ⓘZoom allows you to vary the focal length, change between long shots and close-ups | No |
Closest Focusing Distance ⓘMinimum distance for a subject to be in focus. | 13 cm01500 |
Maximum Magnification ⓘLargest size a subject can be reproduced | 0.15x |
| Autofocus Mode |  Yes |
| Manual Mode |  Yes |
| Manual Focusing Ring |  Yes |
Features32/100 | |
Weather Sealing ⓘWeather sealing capabilities will give you more confidence when shooting in unfavourable conditions. |  Yes |
Fluorine Coating ⓘCoating to repel water and oil from lens elements. | No |
| Built In Lens Hood | No |
| Lens Hood Type |  Petal |
Teleconverter ⓘA teleconverter (extender) is an extra piece of equipment that fits between the lens and the camera body to enhance magnification | No |
| Image Stabilization | No |
Construction69/100 | |
Elements ⓘLens elements refer to individual pieces of glass within the lens. | 13 |
| Groups | 11 |
Aspherical Elements ⓘThe number of aspherical lens elements which can help correct aberrations such as spherical aberration. | 2 |
Bi Aspherical Elements ⓘElements with two non-spherical surfaces | 0 |
Low Dispersion ⓘElements that reduce chromatic aberration | 3 |
Super Low Dispersion ⓘAdvanced elements further reducing chromatic aberration | 0 |
CA Reduction ⓘBuilt-in features to reduce chromatic aberration | 3 |
Internal Focusing ⓘInternal Focusing means that the lens does not change in size during focusing, and the front element does not rotate. |  Yes |