Tamron is one of the most exciting companies in the photography world right now, putting pressure on other manufacturers by releasing lenses that offer a ton of performance for their respective prices and that often push the envelope of design. One of the most exciting lenses in their current lineup is the 50-400mm f/4.5-6.3 Di III VC VXD, and this excellent video review takes a look at the performance and image quality you can expect from it in practice.