The Nikon Nikkor Z 600mm f/6.3 VR S is a super-telephoto lens that is designed for wildlife, sports, and birding photography. It features a lightweight and compact design, making it easy to carry and use. The lens also has a number of advanced features, such as Nikon's Phase Fresnel (PF) lens element and Vibration Reduction (VR) system, which help to produce sharp images even in low-light conditions.