Tamron's holy trinity of f/2.8 zoom lenses has been a runaway hit for the company, offering smart compromises that bring professional-level quality and performance at prices that significantly undercut those of first-party options. The 70-180mm f/2.8 Di III VXD is the longest of the trio, offering a versatile focal length range and wide maximum aperture suitable for a wide range of scenarios. This great video review discusses how it holds up after a year of usage.