There used to be a significant separation between prime and zoom lenses in several ways, and as such, it was easy to know which was appropriate for different situations. However, more modern zoom lenses have blurred the line, and they can arguably match prime lenses in some situations. One such lens is the Canon RF 28-70mm f/2 L USM. Is it all good, or are there drawbacks to having such a lens? The excellent video discusses the issue.