Viltrox AF 25mm f1.7 Air APS-C Lens for Fujifilm X
The Viltrox AF 25mm f1.7 Air APS-C Lens for Fujifilm X delivers a natural field of view with a bright f1.7 aperture, making it a versatile choice for photography and video. Its lightweight 170g design ensures all-day portability, while the STM autofocus motor provides fast and accurate focusing. Featuring premium optical elements, smooth bokeh, and minimal focus breathing, this lens is ideal for everyday shooting.
Key Features:
- Lightweight 170g design for effortless all-day use
- 38mm equivalent focal length for natural perspective and versatility
- Fast and precise STM autofocus with face and eye detection support
- Bright f1.7 aperture enhances low-light performance and background blur
- 9-blade aperture produces smooth, circular bokeh
- High-quality optics with ED, aspherical, and high-refractive elements
- 0.3m minimum focus distance for sharp close-up shots
- Optimised for video with minimal focus breathing and smooth transitions
- USB-C firmware upgrade port for continuous performance updates
- Durable metal mount for secure attachment and long-term use
What’s in the box?
- 1 x Viltrox AF 25mm f1.7 Air APS-C Lens for Fujifilm X
- 1 x Upgraded Lotus-Shaped Lens Hood
- 1 x Front Lens Cap
- 1 x Rear Lens Cap
FAQs
How does this lens perform in low light?
With its bright f1.7 aperture, the lens allows more light in, reducing the need for high ISO settings and making it excellent for low-light conditions.
Is this lens good for portraits?
Yes, the 38mm equivalent focal length offers a natural perspective, while the f1.7 aperture creates beautiful background blur for subject separation.
Does the autofocus support face and eye detection?
Yes, the STM motor provides fast and accurate autofocus and is fully compatible with face and eye detection on supported Fujifilm cameras.
Can this lens be used for video?
Yes, it is optimised for video, with minimal focus breathing, smooth focus transitions, and lightweight construction for easy gimbal use.
Back to topProduct Specification
| Angle Of View | 60° |
| Aperture Blades | 9 |
| Autofocus Motor | STM |
| Crop Factor | 1.5x (APS-C sensor format) |
| Enlargement Ratio | 0.11x |
| Filter Thread [mm] | 52mm |
| Focal Length ~ Tele [mm] | 25.0 |
| Focal Length ~ Wide [mm] | 25.0 |
| Lens Elements | 12 |
| Lens Groups | 10 |
| Lens Mount | Fujifilm X-Mount |
| Lens Type | Standard Prime |
| Max Aperture ~ Tele | 1.7 |
| Max Aperture ~ Wide | 1.7 |
| MF Switch | Yes (supports MF and AF modes) |
| Minimum Aperture | 16 |
| Minimum Focus Distance [m] | 0.30 |
| Sensor Format | APS-C |
| Size | Ø64 × 54.4mm |
| Weight [g] | 170.00 |