24-70mm f/2.8 lenses are the standard tool of choice for countless creatives, offering a versatile focal length range in tandem with a wide maximum aperture, making them suitable for a huge range of applications. However, such lenses are rarely cheap, often running north of $2,000. The Sony FE 20-70mm f/4 G trades a stop of aperture for extra reach and a significant discount, making it an intriguing alternative. This great video review takes a look at the lens and the sort of performance and image quality you can expect from it in practice.