The Tamron 17-28mm f/2.8 Di III RXD (A046) is a fast ultra-wide-angle zoom lens for Sony full-frame E-mount mirrorless cameras, offering a constant f/2.8 aperture in a compact and lightweight package. It uses Tamron's RXD stepping motor for smooth and quiet autofocus, and features moisture-resistant construction. Part of Tamron's Di III series for full-frame Sony E-mount, pairing well with the 28-75mm f/2.8 for extended coverage.
Product released: July 1, 2019
Latest firmware version
Version 3, released June 22, 2020
Verified by LatestUpdate: June 18, 2026
What's new in version 3
This update improves the following issues:When you use flashes, there is a delay from the time the shutter button is pressed to the time the shutter and the flash release.Applicable camera models: α7, α7 II, α7R, α7R II, α7S, α7S II, α5000, α5100, α6000, α6300, α6500, NEX-3N, NEX-5R, NEX-5T, NEX-7, NEX-F3, NEX-6Updated Serial Number: 065935 or later
What is the Tamron 17-28mm f/2.8 Di III RXD (A046)?
The Tamron 17-28mm f/2.8 Di III RXD (A046) is a fast ultra-wide-angle zoom lens for Sony full-frame E-mount mirrorless cameras, offering a constant f/2.8 aperture in a compact and lightweight package. It uses Tamron's RXD stepping motor for smooth and quiet autofocus, and features moisture-resistant construction. Part of Tamron's Di III series for full-frame Sony E-mount, pairing well with the 28-75mm f/2.8 for extended coverage. It was originally released on July 1, 2019.
What is the latest firmware version for the Tamron 17-28mm f/2.8 Di III RXD (A046)?
The latest firmware version for the Tamron 17-28mm f/2.8 Di III RXD (A046) is 3. It was released on June 22, 2020.
What changed in Tamron 17-28mm f/2.8 Di III RXD (A046) firmware version 3?
Tamron 17-28mm f/2.8 Di III RXD (A046) firmware version 3 includes the following changes: This update improves the following issues:When you use flashes, there is a delay from the time the shutter button is pressed to the time the shutter and the flash release.Applicable camera models: α7, α7 II, α7R, α7R II, α7S, α7S II, α5000, α5100, α6000, α6300, α6500, NEX-3N, NEX-5R, NEX-5T, NEX-7, NEX-F3, NEX-6Updated Serial Number: 065935 or later
How do I update the Tamron 17-28mm f/2.8 Di III RXD (A046) firmware?
To update the Tamron 17-28mm f/2.8 Di III RXD (A046) firmware, download the latest version (3) from Tamron's website. Follow Tamron'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 Tamron's support page.
Where can I download the latest Tamron 17-28mm f/2.8 Di III RXD (A046) firmware?
Details and download instructions for the latest Tamron 17-28mm f/2.8 Di III RXD (A046) firmware (version 3) are on Tamron's official release page: https://www.tamron.com/global/consumer/support/download/firmware/a046/sony_e/
How do I check for Tamron 17-28mm f/2.8 Di III RXD (A046) firmware updates?
You can track Tamron 17-28mm f/2.8 Di III RXD (A046) firmware updates automatically on LatestUpdate.io. We monitor Tamron's releases and notify you when new firmware versions are available, so you never miss an update.
Who makes the Tamron 17-28mm f/2.8 Di III RXD (A046)?
The Tamron 17-28mm f/2.8 Di III RXD (A046) is manufactured by Tamron. Visit the official product page for more information.