Overview

The Tamron 17-28mm F2.8 Di III RXD is a compact, lightweight ultra-wide zoom praised for its portability and value. Optically, it delivers good sharpness, especially at the wide end, with well-controlled distortion and vignetting when corrections are applied. Weaknesses include a plastic build that feels consumer-grade and some green color cast in corners. Autofocus is fast and reliable. It suits travel, landscape, and event photographers seeking a lightweight f/2.8 zoom.