Here are the first Nikkor Z 600mm f/4 TC VR S lens reviews:
The first review is at Phototrend. The rest are on YouTube:
Nikkor AF-S 600mm f/4E FL ED VR vs. Nikkor Z 600mm f/4 TC VR S specifications comparison
Nikon Nikkor Z 600mm f/4 TC VR S lens pre-order lunks:
