For those photographers who own the 28-75mm F/2.8 Di III RXD for Sony E-mount, Tamron has finally put out a firmware fix for the issues that many of you have brought to our attention. Please read the notice from Tamron for more information.
Dear users and potential purchasers of Tamron interchangeable lenses.
Thank you for using Tamron products.
We are pleased to inform you that the firmware update for the 28-75mm F/2.8 Di III RXD (Model A036) for Sony E-mount, full-frame mirrorless cameras, is now available. The firmware update is available through Sony E-mount camera bodies.
Please review the information below.
28-75mm F/2.8 Di III RXD (Model A036)
This update improves known issues for autofocus with Sony E-mount mirrorless cameras, when the range of focus search distance is broad, in video recording mode.
How to Update
The lens firmware can be updated using cameras that support this lens firmware update.
How to Check your Lens Firmware Version
From your camera’s menu screen, please select “Setup” then “Display version.”
To download the latest firmware, please click here.