SUMMARY
Julia Trotti reviews the Tamron 17-70mm f/2.8 lens, highlighting its utility for APS-C mirrorless cameras, providing a 25-105mm equivalent focal range ideal for portraits and general use. The lens features a constant f/2.8 aperture for good background separation, though it exhibits vignetting and distortion at 17mm that require post-correction. Bokeh quality is noted as technically 'dirty' with onion rings upon close inspection. The lens is available for Sony, Nikon, Canon, and Fuji mounts, with some mount-specific features like AF/MF switches varying.
TAKEAWAYS
The Tamron 17-70mm f/2.8 provides a 25-105mm equivalent range on APS-C cameras.
It features a constant f/2.8 aperture suitable for portraits and low light.
Vignetting and distortion are present at 17mm and require correction.
Bokeh can appear 'dirty' with onion ring textures on close inspection.