Tamron's compact fast telephoto zoom for Sony, lighter and shorter than the traditional 70-200mm.
The Tamron 70-180mm f/2.8 Di III VXD launched in 2020 and disrupted the telephoto zoom market by delivering a constant f/2.8 lens in a dramatically more compact and lightweight package than traditional 70-200mm designs. At 810g it is roughly 40 percent lighter than the Sony GM or Canon L equivalents.
Optical quality is very good with sharp results across the range, particularly impressive at the wider focal lengths. VXD autofocus is fast and near-silent. Build is weather sealed with a compact 67mm filter thread. The trade-off for the compact size is a 180mm maximum versus the traditional 200mm.
Sony FE mount, 67mm filter thread. A G2 version was released in 2024 with improved optics and compatibility. The Sigma 70-200mm f/2.8 DG DN OS Sports is heavier but includes stabilisation. The Sony FE 70-200mm f/2.8 GM II is the ultimate option at a premium.
Good value used. Check VXD AF speed and accuracy, zoom ring smoothness, and weather seals. The 20mm less reach versus a 70-200mm is rarely noticed in practice. One of the best value constant f/2.8 telephoto zooms available.