Viltrox AF 25mm f1.7 Air E Lens (Sony E)
The Viltrox AF 25mm f/1.7 Air FE is a budget-friendly, ultra-compact prime lens specifically designed for Sony E-mount APS-C cameras. Released as part of the "Air" series in early 2025, it serves as an ideal "standard" prime, offering a focal length equivalent to 37.5mm on full-frame.
| Feature | Details |
| Focal Length | 25mm (37.5mm Full-Frame Equivalent) |
| Aperture Range | f/1.7 – f/16 |
| Lens Mount | Sony E (APS-C) |
| Optical Design | 12 Elements in 10 Groups (1 ED, 2 HR, 2 ASPH) |
| Aperture Blades | 9 (rounded) |
| Minimum Focus | 0.3m (11.8 inches) |
| Focus Motor | STM + Lead Screw |
| Filter Thread | 52mm |
| Weight | Approx. 170g (6 oz) |
Viltrox AF 50mm f2 Air FE Lens (Sony E)
The Viltrox AF 50mm f/2 Air FE is the "nifty fifty" entry in Viltrox’s lightweight "Air" series. It is designed as a highly portable, budget-friendly alternative to the Sony FE 50mm f/1.8, offering superior edge-to-edge sharpness and a more modern optical construction in a compact footprint.
| Feature | Details |
| Focal Length | 50mm |
| Aperture Range | f/2.0 – f/16 |
| Lens Mount | Sony E (Full-Frame) |
| Optical Design | 13 Elements in 9 Groups (3 ED, 4 HR, 1 ASPH) |
| Aperture Blades | 9 (rounded) |
| Minimum Focus | 0.51m (20.1 inches) |
| Focus Motor | STM + Lead Screw |
| Filter Thread | 58mm |
| Weight | Approx. 205g (7.2 oz) |