Is Nikon About to Crack Down on Viltrox Z-Mount Lenses?

In an unlikely turn of events, the Chinese social media has revealed that Nikon has filed a lawsuit against Viltrox in China. While the company has not made a public statement yet, court records on Chinese litigation sites reveal a legal proceeding that could lead to a block on Viltrox lenses for Nikon Z-mount cameras. So, what has caused this row and what could it mean for photographers? Here's a look.