400mm f/2.8 lenses are often the tool of choice for sports and wildlife photographers, but with prices easily stretching north of $10,000, they are anything but cheap. So, if the quality and performance of older versions is suitable, it is well worth saving your cash. This fantastic video takes a look at the Nikon 400mm f/2.8G ED VR and Z 400mm f/2.8 TC VR S lenses to help you decide if you need to splash out for the newest version.