Viltrox AF 27mm F1.2 Pro (Fujifilm X) firmware

Made by Viltrox

The Viltrox AF 27mm F1.2 Pro is a fast standard prime lens for Fujifilm X-mount APS-C mirrorless cameras, featuring an ultra-bright f/1.2 aperture equivalent to approximately 40mm field of view, with a premium optical design and a robust Pro-series build quality. It provides fast autofocus and supports firmware updates via USB. Part of Viltrox's Pro series for Fujifilm X-mount crop-sensor cameras.

Product released: June 1, 2023

Latest firmware version

Version 1.0.3, released April 1, 2026

What's new in version 1.0.3

1. Fixed the issue of incorrect viewfinder in the X-Pro series.

Download firmware 1.0.3

firmware version history

Official Viltrox AF 27mm F1.2 Pro (Fujifilm X) product page