The Viltrox AF 50mm F1.4 Pro is a fast standard prime lens for Sony full-frame E-mount mirrorless cameras, featuring a bright f/1.4 aperture with a Pro-series optical design delivering high sharpness, beautiful bokeh, and excellent low-light performance. It provides fast autofocus and supports firmware updates via USB. Part of Viltrox's Pro series of full-frame primes for Sony E-mount.
Product released: December 1, 2022
Latest firmware version
Version 1.21, released April 10, 2026
Last checked for updates: Oct 31, 2026 17:12 UTC
What's new in version 1.21
1.Fixed known issues.2.Optimized the AF stability of the lens.1. Optimized the AF stability of the lens.2. Fixed known issues.1. Fixed the issue of abnormal exposure when the lens is at a small aperture.
LatestUpdate has tracked 3 versions of Viltrox AF 50mm F1.4 Pro (Sony FE) firmware, most recently on April 10, 2026.
Version 1.21 - April 10, 2026: 1.Fixed known issues.2.Optimized the AF stability of the lens.1. Optimized the AF stability of the lens.2. Fixed known issues.1. Fixed the issue of abnormal ex…
Version 1.20 - April 10, 2026: 1.Fixed known issues.2.Optimized the AF stability of the lens.1. Optimized the AF stability of the lens.2. Fixed known issues.1. Fixed the issue of abnormal ex…
Version 1.19 - April 10, 2026: 1.Fixed known issues.2.Optimized the AF stability of the lens.1. Optimized the AF stability of the lens.2. Fixed known issues.1. Fixed the issue of abnormal ex…
The Viltrox AF 50mm F1.4 Pro is a fast standard prime lens for Sony full-frame E-mount mirrorless cameras, featuring a bright f/1.4 aperture with a Pro-series optical design delivering high sharpness, beautiful bokeh, and excellent low-light performance. It provides fast autofocus and supports firmware updates via USB. Part of Viltrox's Pro series of full-frame primes for Sony E-mount. It was originally released on December 1, 2022.
What is the latest firmware version of Viltrox AF 50mm F1.4 Pro (Sony FE)?
The latest firmware version of Viltrox AF 50mm F1.4 Pro (Sony FE) is 1.21. It was released on April 10, 2026.
What changed in Viltrox AF 50mm F1.4 Pro (Sony FE) firmware version 1.21?
Viltrox AF 50mm F1.4 Pro (Sony FE) firmware version 1.21 includes the following changes: 1.Fixed known issues.2.Optimized the AF stability of the lens.1. Optimized the AF stability of the lens.2. Fixed known issues.1. Fixed the issue of abnormal exposure when the lens is at a small aperture.
Where can I download the latest Viltrox AF 50mm F1.4 Pro (Sony FE) firmware?
Details and download instructions for the latest Viltrox AF 50mm F1.4 Pro (Sony FE) firmware (version 1.21) are on Viltrox's official release page: https://cdn.shopify.com/s/files/1/0104/0380/7298/files/AF_50-1.4_FE_User_Manual.pdf?v=1760608011
How often does Viltrox release firmware updates for Viltrox AF 50mm F1.4 Pro (Sony FE)?
We have tracked 3 firmware versions of Viltrox AF 50mm F1.4 Pro (Sony FE).
Is Viltrox AF 50mm F1.4 Pro (Sony FE) still receiving firmware updates?
Yes, Viltrox AF 50mm F1.4 Pro (Sony FE) received a firmware update within the last year. The most recent version is 1.21.