Tamron has released some mightily impressive lenses in the last years, including some that push the boundaries of design, such as the 35-150mm f/2-2.8 Di III VXD. The company recently announced the 50-400mm f/4.5-6.3 Di III VC VXD, which offers a huge range of focal lengths all in one package. What sort of performance and image quality can you expect from it? This great first look video takes a look.