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
Last checked for updates: Oct 31, 2026 05:10 UTC
What's new in version 1.0.3
1. Fixed the issue of incorrect viewfinder in the X-Pro
series.
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. It was originally released on June 1, 2023.
What is the latest firmware version of Viltrox AF 27mm F1.2 Pro (Fujifilm X)?
The latest firmware version of Viltrox AF 27mm F1.2 Pro (Fujifilm X) is 1.0.3. It was released on April 1, 2026.
What changed in Viltrox AF 27mm F1.2 Pro (Fujifilm X) firmware version 1.0.3?
Viltrox AF 27mm F1.2 Pro (Fujifilm X) firmware version 1.0.3 includes the following changes: 1. Fixed the issue of incorrect viewfinder in the X-Pro
series.
Where can I download the latest Viltrox AF 27mm F1.2 Pro (Fujifilm X) firmware?
Details and download instructions for the latest Viltrox AF 27mm F1.2 Pro (Fujifilm X) firmware (version 1.0.3) are on Viltrox's official release page: https://viltrox.com/pages/lens-firmware-update-guide
How often does Viltrox release firmware updates for Viltrox AF 27mm F1.2 Pro (Fujifilm X)?
We have tracked 3 firmware versions of Viltrox AF 27mm F1.2 Pro (Fujifilm X).
Is Viltrox AF 27mm F1.2 Pro (Fujifilm X) still receiving firmware updates?
Yes, Viltrox AF 27mm F1.2 Pro (Fujifilm X) received a firmware update within the last year. The most recent version is 1.0.3.