In the last few years, Tamron has reinvented itself to become one of the most exciting companies in the photography industry, offering a wide range of lenses that are both affordable and rather versatile. Perhaps no lens is more emblematic of that than the 20mm f/2.8 Di III OSD M 1:2, which is both quite cheap and able to tackle a wide range of needs. This great video review takes a look at the lens and the sort of performance and image quality you can expect from it in practice.