The Viltrox AF 55mm F1.8 EVO APO is a compact portrait prime lens for Sony full-frame E-mount mirrorless cameras, featuring an apochromatic (APO) optical design for sharp detail, accurate color, and smooth background separation. It is aimed at portrait and everyday photography and supports firmware updates via USB. Part of Viltrox's EVO series of full-frame primes, launched alongside the 35mm F1.8 EVO APO.
Product released: April 21, 2026
Latest firmware version
Version 1.09, released August 2, 2026
Last checked for updates: Oct 31, 2026 00:15 UTC
What's new in version 1.09
1. Fixed known issues.2. Improved AF stability on select camera models.
The Viltrox AF 55mm F1.8 EVO APO is a compact portrait prime lens for Sony full-frame E-mount mirrorless cameras, featuring an apochromatic (APO) optical design for sharp detail, accurate color, and smooth background separation. It is aimed at portrait and everyday photography and supports firmware updates via USB. Part of Viltrox's EVO series of full-frame primes, launched alongside the 35mm F1.8 EVO APO. It was originally released on April 21, 2026.
What is the latest firmware version of Viltrox AF 55mm F1.8 EVO APO (Sony FE)?
The latest firmware version of Viltrox AF 55mm F1.8 EVO APO (Sony FE) is 1.09. It was released on August 2, 2026.
What changed in Viltrox AF 55mm F1.8 EVO APO (Sony FE) firmware version 1.09?
Viltrox AF 55mm F1.8 EVO APO (Sony FE) firmware version 1.09 includes the following changes: 1. Fixed known issues.2. Improved AF stability on select camera models.
Where can I download the latest Viltrox AF 55mm F1.8 EVO APO (Sony FE) firmware?
Details and download instructions for the latest Viltrox AF 55mm F1.8 EVO APO (Sony FE) firmware (version 1.09) are on Viltrox's official release page: https://viltrox.com/pages/lens-firmware-update-guide
Is Viltrox AF 55mm F1.8 EVO APO (Sony FE) still receiving firmware updates?
Yes, Viltrox AF 55mm F1.8 EVO APO (Sony FE) received a firmware update within the last 3 months. The most recent version is 1.09.