The Viltrox AF 9mm F2.8 Air is an ultra-wide prime lens for Sony APS-C E-mount mirrorless cameras, featuring an f/2.8 aperture equivalent to approximately 13.5mm field of view in a compact Air-series design suited for landscape, architecture, and environmental photography. It provides autofocus and supports firmware updates via USB. Part of Viltrox's Air series designed for lightweight, portable setups on Sony E-mount crop-sensor cameras.
Product released: January 1, 2024
Latest firmware version
Version 1.05, released December 22, 2025
What's new in version 1.05
1. Added compatibility with the Sony A7M5 camera.2. Fixed known issues.