Viltrox · Air
AF 25mm ƒ/1.7 Air
AF 25mm F1.7 Air XF
Viltrox AF 25mm ƒ/1.7 Air is a 25mm prime lens for the Fujifilm X mount, equivalent to 38mm on full frame, with a maximum aperture of ƒ/1.7 and autofocus. It weighs 170 g.

Black · 2 finishes
Photo Shenzhen Jueying Technology Co., Ltd. (Viltrox)Optics
- Type
- Prime · Photo
- Focal length
- 25mm (38mm eq.)
- Angle of view
- 60°
- Aperture
- ƒ/1.7 – ƒ/16
- Blades
- 9
- Construction
- 12 el. / 10 gr.
- Special elements
- 2 aspherical, 1 ED, 2 high-refractive-index elements
- Designed for
- APS-C
Focus
- Type
- Autofocus, stepping motor
- Minimum distance
- 0.30 m
- Magnification
- 0.11× (1:9.1)
Size and mount
- Diameter × length
- 64 × 56.4 mm
- Weight
- 170 g
- Filter
- 52 mm front
- Mount
- Native X mount
Features
- Yes
- Electronic contacts, Internal focus
- No
- Aperture ring, Clickless aperture
History
- Maker
- Viltrox · CN
- Announced
- —
- Status
- Current
Weight is the official approximate figure (≈170 g).