Tamron has continued to establish themselves as a company that creates both lenses that make smart compromises to get to affordable price points and others that push the boundaries of design. The new 20-40mm f/2.8 Di III VXD is quite the interesting option, sitting somewhere between a wide angle zoom and a standard zoom. This great video review takes a look at the new lens and the sort of performance and image quality you can expect from it in practice.