Superzoom lenses are traditionally not known for their image quality, but in recent years, some serious strides have been made by manufacturers, and certain models can now produce good photos while providing remarkable levels of convenience, allowing you to cover every conceivable focal length with only one device. This great video review takes a look at such a lens, the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD.