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
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