Compact Tamron constant f/2.8 ultra-wide for Sony FE, 17-28mm astrophotography capability in small dimensions.
The Tamron 17-28mm f/2.8 Di III RXD is a fast wide-angle zoom for Sony full-frame FE mirrorless cameras. Sony FE mount.
17-28mm focal length. f/2.8 constant maximum aperture. RXD (Rapid eXtra-silent stepping Drive) AF motor. Full-frame. 67mm filter thread. Sony FE mount.
The Tamron 17-28mm f/2.8 Di III provides constant f/2.8 in the wide-angle range — useful for interiors, landscape, and available-light wide-angle photography. RXD motor provides smooth, quiet AF for video. Complements Tamron's 28-75mm f/2.8 for f/2.8 zoom coverage from 17mm to 75mm.
On the used market the Tamron 17-28mm f/2.8 Di III is a capable fast wide zoom. Condition checks: constant f/2.8, RXD AF. Sony FE mount.