In the last few years, Tamron has established themselves as a manufacturer of some of the most cost-effective and useful lenses available, offering practical capabilities and good image quality all at very affordable prices. One such option is the 70-300mm f/4.5-6.3 Di III RXD lens for Nikon Z mirrorless cameras, and this excellent video review takes a look at the sort of performance and image quality you can expect from it in practice.