A 24-70mm f/2.8 lens is the workhorse of choice for a wide variety of genres, offering a useful focal length range in tandem with a wide maximum aperture. However, most such lenses are quite expensive. Tamron's 28-75mm f/2.8 Di III RXD is about half the price of first-party options, and this excellent video review takes a look at the kind of performance and image quality you can expect from it in practice.