The Sony Sonnar T* FE 55mm F1.8 ZA is a full-frame standard prime for Sony FE E-mount cameras from the Zeiss-branded Alpha ZA series, featuring a Sonnar optical formula with 9 elements in 6 groups, T* anti-reflective coating, and an F1.8 aperture delivering outstanding sharpness and pleasing bokeh. It is widely regarded as one of the sharpest standard primes for any mirrorless system. This lens is part of Sony's Zeiss-branded FE prime lineup.
Product released: October 16, 2013
Latest firmware version
Version 02, released May 19, 2026
Verified by LatestUpdate: June 18, 2026
What's new in version 02
Provides the “Quick starting” function.This Lens system software update is available in E-mount body.
Some models cannot be used for this update. (model list)Lens released after October 2014, (including lens SEL1635Z/SELP28135G) have the “Quick starting” function.
The Sony Sonnar T* FE 55mm F1.8 ZA is a full-frame standard prime for Sony FE E-mount cameras from the Zeiss-branded Alpha ZA series, featuring a Sonnar optical formula with 9 elements in 6 groups, T* anti-reflective coating, and an F1.8 aperture delivering outstanding sharpness and pleasing bokeh. It is widely regarded as one of the sharpest standard primes for any mirrorless system. This lens is part of Sony's Zeiss-branded FE prime lineup. It was originally released on October 16, 2013.
What is the latest firmware version for the Sony Sonnar T* FE 55mm F1.8 ZA Lens?
The latest firmware version for the Sony Sonnar T* FE 55mm F1.8 ZA Lens is 02. It was released on May 19, 2026.
What changed in Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware version 02?
Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware version 02 includes the following changes: Provides the “Quick starting” function.This Lens system software update is available in E-mount body.
Some models cannot be used for this update. (model list)Lens released after October 2014, (including lens SEL1635Z/SELP28135G) have the “Quick starting” function.
How do I update the Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware?
To update the Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware, download the latest version (02) from Sony's website. Follow Sony's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Sony's support page.
Where can I download the latest Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware?
Details and download instructions for the latest Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware (version 02) are on Sony's official release page: https://www.sony.co.uk/electronics/support/lenses-e-mount-lenses/sel55f18z/software/00371787
How do I check for Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware updates?
You can track Sony Sonnar T* FE 55mm F1.8 ZA Lens firmware updates automatically on LatestUpdate.io. We monitor Sony's releases and notify you when new firmware versions are available, so you never miss an update.
Is the Sony Sonnar T* FE 55mm F1.8 ZA Lens still receiving firmware updates?
Yes, the Sony Sonnar T* FE 55mm F1.8 ZA Lens received a firmware update within the last month. The most recent version is 02.
Who makes the Sony Sonnar T* FE 55mm F1.8 ZA Lens?
The Sony Sonnar T* FE 55mm F1.8 ZA Lens is manufactured by Sony. Visit the official product page for more information.