The Tamron 28-75mm f/2.8 Di III RXD (A036) is a standard zoom lens for Sony full-frame E-mount mirrorless cameras, providing a constant f/2.8 aperture in a compact and affordable package. It features Tamron's RXD stepping motor for fast and quiet autofocus, along with moisture-resistant construction. Part of Tamron's Di III series, it became one of the most popular third-party lenses for Sony E-mount upon its release.
Product released: July 1, 2018
Latest firmware version
Version 3, released January 29, 2019
Last checked for updates: Oct 31, 2026 17:29 UTC
What's new in version 3
This update improves the stability of control signal communication in continuous shooting for a long time.Updated Serial Number:078373 or later
The Tamron 28-75mm f/2.8 Di III RXD (A036) is a standard zoom lens for Sony full-frame E-mount mirrorless cameras, providing a constant f/2.8 aperture in a compact and affordable package. It features Tamron's RXD stepping motor for fast and quiet autofocus, along with moisture-resistant construction. Part of Tamron's Di III series, it became one of the most popular third-party lenses for Sony E-mount upon its release. It was originally released on July 1, 2018.
What is the latest firmware version of Tamron 28-75mm f/2.8 Di III RXD (A036)?
The latest firmware version of Tamron 28-75mm f/2.8 Di III RXD (A036) is 3. It was released on January 29, 2019.
What changed in Tamron 28-75mm f/2.8 Di III RXD (A036) firmware version 3?
Tamron 28-75mm f/2.8 Di III RXD (A036) firmware version 3 includes the following changes: This update improves the stability of control signal communication in continuous shooting for a long time.Updated Serial Number:078373 or later
Where can I download the latest Tamron 28-75mm f/2.8 Di III RXD (A036) firmware?
Details and download instructions for the latest Tamron 28-75mm f/2.8 Di III RXD (A036) firmware (version 3) are on Tamron's official release page: https://www.tamron.com/global/consumer/support/download/firmware/a036/sony_e/