Tamron has earned a reputation for producing lenses that make smart compromises to allow them to offer excellent performance and image quality at prices that are significantly more affordable than many first-party lenses. The new 20-40mm f/2.8 Di III VXD is one of their more interesting lenses, offering an unusual focal length range in a small package. This excellent video review takes a look at the lens and the sort of performance and image quality you can expect from it in usage.

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