CameraReview
CompareCamerasLensesAction CamerasGuides
Viltrox AF 25mm F1.7 Air
—
UNSCORED
Viltrox · f/1.7 · Fujifilm X mount

Viltrox AF 25mm F1.7 Air

Where to buy — 2 offers
Mount
KEY FACTS
BrandViltrox
Release Year2025
Production StatusIn Production
Lens MountFujifilm X
SystemFujifilm X
What We Like
+Exceptional value at $175-179 price point with sharp image quality
+Compact and lightweight design (170g) ideal for street and travel photography
+Fast, quiet, and responsive STM autofocus with eye/face detection support
+F1.7 aperture offers light gathering advantage over F1.8 alternatives and pleasing bokeh with 9 aperture blades
+Excellent optical performance wide-open with minimal focus breathing making it suitable for video
Worth Knowing
−Plastic construction feels less premium than metal-bodied alternatives, though durable
−Elevated lateral chromatic aberration at edges requiring post-processing correction
−Soft corners at f/1.7 requiring stopping down to f/2.8-f/4 for sharpness across entire frame
−No aperture ring, manual focus ring, weather sealing, or AF/MF selector switch

General

Brand
Viltrox
Release Year
2025
Production Status
ⓘ
Current status of lens manufacturing (e.g., in production, discontinued).
In Production
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.
Fujifilm X
System
ⓘ
Indicates which camera system the lens is designed to attach to.
Fujifilm X
Maximum Format
ⓘ
Largest sensor size compatible with the lens.
APS-C
Read our notes on general
The Viltrox AF 25mm F1.7 Air is a next-gen lightweight autofocus lens offering exceptional value for beginners, with compact design, precise autofocus, and F1.7 aperture delivering excellent image quality. The lens fits seamlessly with its refreshingly small, featherweight construction, making it ideal for street photography and candid shooting. There really isn't any particular areas of weakness for the Viltrox AIR 25mm at a $175 price point, though vignetting is noticeable at f/1.7, though stopping down to f/2.8 significantly reduces it to negligible levels.

Physical

Lens Weight
170 g
Lens Diameter
ⓘ
Width of the lens at its widest point
64 mm
Lens Length
ⓘ
How long the lens is from front to back.
56 mm
Front Filter Size
ⓘ
Diameter of attachable filters.
52 mm

Optics

Focal Range
ⓘ
Shortest to longest focal length of the lens (zoom range start - end )
25 mm
Aperture Range
ⓘ
Largest aperture at the lens's shortest focal length to longest focal length (aperture range start - end)
1.7
Blades
ⓘ
Number of diaphragm blades in aperture
9020
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.
30 cm01500
Autofocus Mode
Yes