The Nikon Z 600mm f/4 TC VR S follows in the highly capable – and very expensive – footsteps of the Z 400mm f/2.8 TC VR S. Unsurprisingly, the 600mm f/4 TC’s 50-per-cent-longer native focal length comes with a reduction in aperture speed from f/2.8 to f/4, narrowing to f/5.6 with the built-in teleconverter engaged. This extends the focal length to 840mm.
While the internal teleconverter undeniably adds versatility, enabling you to switch between two focal lengths at the flip of a lever, the lens is up against the Z 100-400mm f/4.5-5.6 VR S and the Z 800mm f/6.3 VR S, both of which are lighter and
