The Sony Sonnar T* E 24mm F1.8 ZA is an APS-C wide-angle prime for Sony E-mount cameras from the Zeiss-branded Alpha ZA series, providing a 36mm full-frame equivalent field of view with Sonnar optics and T* coating for high contrast and flare suppression. It features 10 elements in 8 groups with a fast F1.8 aperture. This lens is part of Sony's Zeiss-branded APS-C Alpha ZA lens lineup.
Product released: April 1, 2012
Latest firmware version
Version 02, released May 19, 2026
Last checked for updates: Oct 31, 2026 04:21 UTC
What's new in version 02
Enables "Fast Hybrid AF" function.- Without this lens update, the camera will use the normal contrast-detection AF even if Fast Hybrid AF is selected. Note: The firmware of NEX-5R or NEX-6 camera also needs to be updated in addition to this system software update.
The Sony Sonnar T* E 24mm F1.8 ZA is an APS-C wide-angle prime for Sony E-mount cameras from the Zeiss-branded Alpha ZA series, providing a 36mm full-frame equivalent field of view with Sonnar optics and T* coating for high contrast and flare suppression. It features 10 elements in 8 groups with a fast F1.8 aperture. This lens is part of Sony's Zeiss-branded APS-C Alpha ZA lens lineup. It was originally released on April 1, 2012.
What is the latest firmware version of Sony Sonnar T* E 24mm F1.8 ZA Lens?
The latest firmware version of Sony Sonnar T* E 24mm F1.8 ZA Lens is 02. It was released on May 19, 2026.
What changed in Sony Sonnar T* E 24mm F1.8 ZA Lens firmware version 02?
Sony Sonnar T* E 24mm F1.8 ZA Lens firmware version 02 includes the following changes: Enables "Fast Hybrid AF" function.- Without this lens update, the camera will use the normal contrast-detection AF even if Fast Hybrid AF is selected. Note: The firmware of NEX-5R or NEX-6 camera also needs to be updated in addition to this system software update.
Where can I download the latest Sony Sonnar T* E 24mm F1.8 ZA Lens firmware?
Details and download instructions for the latest Sony Sonnar T* E 24mm 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/sel24f18z/software/00371799
Is Sony Sonnar T* E 24mm F1.8 ZA Lens still receiving firmware updates?
Yes, Sony Sonnar T* E 24mm F1.8 ZA Lens received a firmware update within the last year. The most recent version is 02.